Application of Derivatives · Mathematics · MHT CET
Start PracticeMCQ (Single Correct Answer)
MHT CET 2024 16th May Evening Shift
The rate of change of the volume of a sphere with respect to its surface area, when its radius is 2 cm , is _________ $\mathrm{cm}^3 / \mathrm{cm}^2$....
MHT CET 2024 16th May Evening Shift
Water is being poured at the rate of $36 \mathrm{~m}^3 / \mathrm{min}$ into a cylindrical vessel, whose circular base is of radius 3 meters. Then the ...
MHT CET 2024 16th May Evening Shift
The equation of the normal to the curve $y=x \log x$ parallel to $2 x-2 y+3=0$ is
MHT CET 2024 16th May Evening Shift
If $x=-1$ and $x=2$ are extreme points of $f(x)=\alpha \log |x|+\beta x^2+x$, then
MHT CET 2024 16th May Morning Shift
If $\mathrm{f}(1)=1, \mathrm{f}^{\prime}(1)=3$, then the derivative of $\mathrm{f}(\mathrm{f}(\mathrm{f}(x)))+(\mathrm{f}(x))^2$ at $x=1$ is
MHT CET 2024 16th May Morning Shift
If $\theta$ denotes the acute angle between the curves $y=10-x^2$ and $y=2+x^2$, at a point of the intersection, then $|\tan \theta|$ is equal to...
MHT CET 2024 16th May Morning Shift
If $y=a \log x+b x^2+x$ has its extremum values at $x=-1$ and $x=2$, then
MHT CET 2024 16th May Morning Shift
The set of all points, for which $f(x)=x^2 e^{-x}$ strictly increases, is
MHT CET 2024 16th May Morning Shift
The abscissa of the point on the curve $y=\mathrm{a}\left(\mathrm{e}^{\frac{x}{a}}+\mathrm{e}^{-\frac{x}{a}}\right)$ where the tangent is parallel to ...
MHT CET 2024 15th May Evening Shift
The Number of values of C that satisfy the conclusion of Rolle's theorem in case of following function $\mathrm{f}(x)=\sin 2 \pi x, x \in[-1,1]$ is...
MHT CET 2024 15th May Evening Shift
An open tank with a square bottom, to contain 4000 cubic cm . of liquid, is to be constructed. The dimensions of the tank, so that the surface area of...
MHT CET 2024 15th May Evening Shift
The function $\mathrm{f}(x)=2 x^3-9 x^2+12 x+2$ is decreasing in
MHT CET 2024 15th May Evening Shift
The equation of motion of a particle is $s=a t^2+b t+c$. If the displacement after 1 second is 20 m , velocity after 2 seconds is $30 \mathrm{~m} / \m...
MHT CET 2024 15th May Morning Shift
If $\mathrm{f}(x)=x^3-10 x^2+200 x-10$, then
MHT CET 2024 15th May Morning Shift
Twenty meters of wire is available for fencing off a flower-bed in the form of a circular sector. Then the maximum area (in sq.m) of the flowerbed is...
MHT CET 2024 15th May Morning Shift
A ladder 5 m in length is leaning against a wall. The bottom of the ladder is pulled along the ground away from the wall, at the rate of $2 \mathrm{~m...
MHT CET 2024 11th May Evening Shift
If $y=\mathrm{a} \log x+\mathrm{b} x^2+x$ has its extreme values at $x=-1$ and $x=2$, then the value of $\left(\frac{a}{b}+\frac{b}{a}\right)$ is...
MHT CET 2024 11th May Evening Shift
The curve $y=a x^3+b x^2+c x+5$ touches the X - axis at $(-2,0)$ and cuts the Y -axis at a point Q where its gradient is 3 , then values of $a, b, c$ ...
MHT CET 2024 11th May Evening Shift
The maximum value of the function $\mathrm{f}(\mathrm{x})=2 \mathrm{x}^3-15 x^2+36 x-48$ on the set $A=\left\{x / x^2+20 \leq 9 x\right\}$ is
MHT CET 2024 11th May Evening Shift
If the normal to the curve $y=\mathrm{f}(x)$ at the point $(3,4)$ makes an angle of $\left(\frac{3 \pi}{4}\right)$ with the positive $X$-axis, then th...
MHT CET 2024 11th May Morning Shift
If $\mathrm{f}(x)=x^3-6 x^2+9 x+3$ is monotonically decreasing function, then $x$ lies in
MHT CET 2024 11th May Morning Shift
If equation of normal to the curve $x=\sqrt{t}$, $y=\mathrm{t}-\frac{1}{\sqrt{\mathrm{t}}}$ at $\mathrm{t}=4$ is
MHT CET 2024 11th May Morning Shift
The rate of change of the volume of a sphere with respect to its surface area, when its radius is 2 cm , is
MHT CET 2024 11th May Morning Shift
The distance ' $s$ ' in meters covered by a body in $t$ seconds is given by $s=3 t^2-8 t+5$. The body will stop after
MHT CET 2024 10th May Evening Shift
The volume of a ball is increasing at the rate of $4 \pi \mathrm{cc} / \mathrm{sec}$. The rate of increase of the radius, when the volume is $288 \pi ...
MHT CET 2024 10th May Evening Shift
Let $\mathrm{f}(x)=(x-1)(x-2)(x-3), x \in[0,4]$. Values of C will be __________ if L.M.V.T. (Lagrange's Mean Value Theorem) can be applied.
MHT CET 2024 10th May Evening Shift
If $y=4 x-5$ is a tangent to the curve $y^2=p x^3+q$ at $(2,3)$, then the values of $p$ and $q$ are respectively
MHT CET 2024 10th May Morning Shift
Water is running in a hemispherical bowl of radius 180 cm at the rate of 108 cubic decimeters per minute. How fast the water level is rising when dept...
MHT CET 2024 10th May Morning Shift
A point moves along the arc of parabola $y=2 x^2$. Its abscissa increases uniformly at the rate of 2 units $/ \mathrm{sec}$. At the instant, the point...
MHT CET 2024 10th May Morning Shift
The equation of the normal to the curve $y=x \log x$, which is parallel to the line $2 x-2 y+3=0$, is
MHT CET 2024 9th May Evening Shift
The function $\mathrm{f}(x)=2 x^3-6 x+5$ is an increasing function, if
MHT CET 2024 9th May Evening Shift
A square plate is contracting at the uniform rate $3 \mathrm{~cm}^2 / \mathrm{sec}$, then the rate at which the perimeter is decreasing, when the side...
MHT CET 2024 9th May Evening Shift
A poster is to be printed on a rectangular sheet of paper of area $18 \mathrm{~m}^2$. The margins at the top and bottom of 75 cm each and at the sides...
MHT CET 2024 9th May Evening Shift
The equation of the tangent to the curve $x=\operatorname{acos}^3 \theta, y=\operatorname{asin}^3 \theta$ at $\theta=\frac{\pi}{4}$ is
MHT CET 2024 9th May Morning Shift
Let C be a curve given by $y(x)=1+\sqrt{4 x-3}$, $x>\frac{3}{4}$. If P is a point on C , such that the tangent at P has slope $\frac{2}{3}$, then a po...
MHT CET 2024 9th May Morning Shift
If $\mathrm{f}(x)=\frac{\log x}{x}(x>0)$, then it is increasing in
MHT CET 2024 9th May Morning Shift
The maximum value of $\frac{\log x}{x}$ is
MHT CET 2024 9th May Morning Shift
If the curves $y^2=6 x, 9 x^2+\mathrm{b} y^2=16$ intersect each other at right angles, then the value of $b$ is
MHT CET 2024 9th May Morning Shift
If Mean value theorem holds for the function $\mathrm{f}(x)=(x-1)(x-2)(x-3), x \in[0,4]$ then the values of $c$ as per the theorem are
MHT CET 2024 4th May Evening Shift
A ladder 5 m long rests against a vertical wall. If its top slides downwards at the rate of $10 \mathrm{~cm} / \mathrm{sec}$., then the foot of the la...
MHT CET 2024 4th May Evening Shift
The equation of the tangent to the curve $y=1-\mathrm{e}^{\frac{x}{3}}$ at the point of intersection with Y -axis is
MHT CET 2024 4th May Morning Shift
If $8 \mathrm{f}(x)+6 \mathrm{f}\left(\frac{1}{x}\right)=x+5$ and $y=x^2 \mathrm{f}(x)$, then $\frac{\mathrm{d} y}{\mathrm{~d} x}$ at $x=-1$ is
MHT CET 2024 4th May Morning Shift
The function $f(x)=\frac{\log _e(\pi+x)}{\log _e(e+x)}$ is
MHT CET 2024 4th May Morning Shift
The sum of intercepts on coordinate axes made by tangent to the curve $\sqrt{x}+\sqrt{y}=\sqrt{a}$ is
MHT CET 2024 4th May Morning Shift
A wire of length 2 units is cut into two parts, which are bent respectively to form a square of side $x$ units and a circle of radius of r units. If t...
MHT CET 2024 4th May Morning Shift
If sum of two numbers is 3 , then the maximum value of the product of first number and square of the second number is
MHT CET 2024 3rd May Evening Shift
The curve $y=a x^3+b x^2+c x+5$ touches the $x$-axis at $(-2,0)$ and cuts the $y$-axis at a point Q where its gradient is 3 , then the value of $\math...
MHT CET 2024 3rd May Evening Shift
If $y=a \log x+b x^2+x$ has its extreme value at $x=-1$ and $x=2$, then the value of $a+b$ is
MHT CET 2024 3rd May Evening Shift
If $\mathrm{f}(x)=x^3+b x^2+c x+d$ and $0
MHT CET 2024 3rd May Evening Shift
The minimum value of the function $\mathrm{f}(x)=2 x^3-15 x^2+36 x-48$ on the set $\mathrm{A}=\left\{x \mid x^2+20 \leqslant 9 x\right\}$ is
MHT CET 2024 3rd May Evening Shift
The value of c for which Rolle's theorem for the function $\mathrm{f}(x)=x^3-3 x^2+2 x$ in the interval $[0,2]$ are
MHT CET 2024 3rd May Morning Shift
A triangular park is enclosed on two sides by a fence and on the third side a straight river bank. The two sides having fence are of same length $x$. ...
MHT CET 2024 3rd May Morning Shift
A stone is dropped into a quiet lake and waves move in circles at speed of $8 \mathrm{~cm} / \mathrm{sec}$. At the instant when the radius of the circ...
MHT CET 2024 3rd May Morning Shift
A bullet is shot horizontally and its distance S cm at time t second is given by $\mathrm{S}=1200 \mathrm{t}-15 \mathrm{t}^2$, then the distance cover...
MHT CET 2024 3rd May Morning Shift
The equation of the normal to the curve $x=\theta+\sin \theta, y=1+\cos \theta$ at $\theta=\frac{\pi}{2}$ is
MHT CET 2024 2nd May Evening Shift
The co-ordinates of a point on the curve $y=x \log x$ at which the normal is parallel to the line $2 x-2 y=3$ are
MHT CET 2024 2nd May Evening Shift
The value of C for which Mean value Theorem holds for the function $\mathrm{f}(x)=\log _e x$ on the interval $[1,3]$ is
MHT CET 2024 2nd May Evening Shift
The maximum value of the function
$$f(x)=3 x^3-18 x^2+27 x-40$$
on the set $\mathrm{S}=\left\{x \in \mathbb{R} / x^2+30 \leq 11 x\right\}$ is...
MHT CET 2024 2nd May Evening Shift
The equation of normal to the curve $x=\theta+\sin \theta, y=1+\cos \theta$ at $\theta=\frac{\pi}{2}$ is
MHT CET 2024 2nd May Morning Shift
The length of the longest interval, in which the function $3 \sin x-4 \sin ^3 x$ is increasing, is
MHT CET 2024 2nd May Morning Shift
If Rolle's theorem holds for the function $\mathrm{f}(x)=x^3+\mathrm{bx}{ }^2+\mathrm{ax}+5$ on $[1,3]$ with $\mathrm{c}=2+\frac{1}{\sqrt{3}}$, then t...
MHT CET 2024 2nd May Morning Shift
The normal to the curve, $y(x-2)(x-3)=x+6$ at the point, where the curve intersects the Y-axis, passes through the point
MHT CET 2023 14th May Evening Shift
The function $$\mathrm{f}(x)=x^3-6 x^2+9 x+2$$ has maximum value when $$x$$ is
MHT CET 2023 14th May Evening Shift
If $$y=4 x-5$$ is a tangent to the curve $$y^2=\mathrm{p} x^3+\mathrm{q}$$ at $$(2,3)$$, then $$\mathrm{p}-\mathrm{q}$$ is
MHT CET 2023 14th May Evening Shift
The diagonal of a square is changing at the rate of $$0.5 \mathrm{~cm} / \mathrm{sec}$$. Then the rate of change of area when the area is $$400 \mathr...
MHT CET 2023 14th May Evening Shift
Let $$x_0$$ be the point of local minima of $$\mathrm{f}(x)=\overline{\mathrm{a}} \cdot(\overline{\mathrm{b}} \times \overline{\mathrm{c}})$$ where $$...
MHT CET 2023 14th May Morning Shift
Let the curve be represented by $$x=2(\cos t+t \sin t), y=2(\sin t-t \cos t)$$. Then normal at any point '$$t$$' of the curve is at a distance of ____...
MHT CET 2023 14th May Morning Shift
Let $$\mathrm{B} \equiv(0,3)$$ and $$\mathrm{C} \equiv(4,0)$$. The point $$\mathrm{A}$$ is moving on the line $$y=2 x$$ at the rate of 2 units/second....
MHT CET 2023 14th May Morning Shift
The maximum value of the function $$f(x)=3 x^3-18 x^2+27 x-40$$ on the set $$\mathrm{S}=\left\{x \in \mathrm{R} / x^2+30 \leq 11 x\right\}$$ is
MHT CET 2023 13th May Evening Shift
Slope of the tangent to the curve $$y=2 e^x \sin \left(\frac{\pi}{4}-\frac{x}{2}\right) \cos \left(\frac{\pi}{4}-\frac{x}{2}\right)$$, where $$0 \leq ...
MHT CET 2023 13th May Evening Shift
If slope of the tangent to the curve $$x y+a x+b y=0$$ at the point $$(1,1)$$ on it is 2, then the value of $$3 a+b$$ is
MHT CET 2023 13th May Evening Shift
$$A(1,-3), B(4,3)$$ are two points on the curve $$y=x-\frac{4}{x}$$. The points on the curve, the tangents at which are parallel to the chord $$A B$$,...
MHT CET 2023 13th May Evening Shift
Water is running in a hemispherical bowl of radius $$180 \mathrm{~cm}$$ at the rate of 108 cubic decimeters per minute. How fast the water level is ri...
MHT CET 2023 13th May Evening Shift
If Rolle's theorem holds for the function $$f(x)=x^3+b x^2+a x+5$$ on $$[1,3]$$ with $$c=2+\frac{1}{\sqrt{3}}$$, then the values of $$a$$ and $$b$$ re...
MHT CET 2023 13th May Morning Shift
If $$\mathrm{f}(x)=x^3+\mathrm{b} x^2+\mathrm{c} x+\mathrm{d}$$ and $$0
MHT CET 2023 13th May Morning Shift
The slope of the normal to the curve $$x=\sqrt{t}$$ and $$y=t-\frac{1}{\sqrt{t}}$$ at $$t=4$$ is
MHT CET 2023 13th May Morning Shift
Values of $$c$$ as per Rolle's theorem for $$f(x)=\sin x+\cos x+6$$ on $$[0,2 \pi]$$ are
MHT CET 2023 12th May Evening Shift
A poster is to be printed on a rectangular sheet of paper of area $$18 \mathrm{~m}^2$$. The margins at the top and bottom of $$75 \mathrm{~cm}$$ each ...
MHT CET 2023 12th May Evening Shift
The equation of the normal to the curve $$3 x^2-y^2=8$$, which is parallel to the line $$x+3 y=10$$, is
MHT CET 2023 12th May Evening Shift
If the curves $$y^2=6 x$$ and $$9 x^2+b y^2=16$$ intersect each other at right angle, then value of '$$b$$' is
MHT CET 2023 12th May Evening Shift
A ladder, 5 meters long, rests against a vertical wall. If its top slides downwards at the rate of $$10 \mathrm{~cm} / \mathrm{s}$$, then the angle be...
MHT CET 2023 12th May Evening Shift
A tank with a rectangular base and rectangular sides, open at the top is to be constructed so that its depth is 4 meter and volume is 36 cubic meters....
MHT CET 2023 12th May Morning Shift
The angle between the tangents to the curves $$y=2 x^2$$ and $$x=2 y^2$$ at $$(1,1)$$ is
MHT CET 2023 12th May Morning Shift
The function $$\mathrm{f}(x)=\sin ^4 x+\cos ^4 x$$ is increasing in
MHT CET 2023 12th May Morning Shift
A ladder 5 meters long rests against a vertical wall. If its top slides downwards at the rate of $$10 \mathrm{~cm} / \mathrm{s}$$, then the angle betw...
MHT CET 2023 11th May Evening Shift
If the function $$f$$ is given by $$f(x)=x^3-3(a-2) x^2+3 a x+7$$, for some $$\mathrm{a} \in \mathbb{R}$$, is increasing in $$(0,1]$$ and decreasing i...
MHT CET 2023 11th May Evening Shift
If $$a$$ and $$b$$ are positive number such that $$a>b$$, then the minimum value of $$a \sec \theta-b \tan \theta\left(0 ...
MHT CET 2023 11th May Evening Shift
$$A$$ rod $$A B, 13$$ feet long moves with its ends $$A$$ and $$B$$ on two perpendicular lines $$O X$$ and $$O Y$$ respectively. When $$A$$ is 5 feet ...
MHT CET 2023 11th May Evening Shift
The equation of the tangent to the curve $$y=\sqrt{9-2 x^2}$$, at the point where the ordinate and abscissa are equal, is
MHT CET 2023 11th May Evening Shift
At present a firm is manufacturing 1000 items. It is estimated that the rate of change of production $$\mathrm{P}$$ w.r.t. additional number of worker...
MHT CET 2023 11th May Morning Shift
Value of $$c$$ satisfying the conditions and conclusions of Rolle's theorem for the function $$\mathrm{f}(x)=x \sqrt{x+6}, x \in[-6,0]$$ is
MHT CET 2023 11th May Morning Shift
If $$\mathrm{f}(x)=x \mathrm{e}^{x(1-x)}, x \in \mathrm{R}$$, then $$\mathrm{f}(x)$$ is
MHT CET 2023 10th May Evening Shift
The value of $$\mathrm{c}$$ for the function $$\mathrm{f}(x)=\log x$$ on [$$1$$, e] if LMVT can be applied, is
MHT CET 2023 10th May Evening Shift
The displacement '$$\mathrm{S}$$' of a moving particle at a time $$t$$ is given by $$S=5+\frac{48}{t}+t^3$$. Then its acceleration when the velocity i...
MHT CET 2023 10th May Evening Shift
If the surface area of a spherical balloon of radius $$6 \mathrm{~cm}$$ is increasing at the rate $$2 \mathrm{~cm}^2 / \mathrm{sec}$$, then the rate o...
MHT CET 2023 10th May Evening Shift
The value of $$\alpha$$, so that the volume of parallelopiped formed by $$\hat{i}+\alpha \hat{j}+\hat{k}, \hat{j}+\alpha \hat{k}$$ and $$\alpha \hat{\...
MHT CET 2023 10th May Evening Shift
In a certain culture of bacteria, the rate of increase is proportional to the number of bacteria present at that instant. It is found that there are 1...
MHT CET 2023 10th May Morning Shift
An open metallic tank is to be constructed, with a square base and vertical sides, having volume 500 cubic meter. Then the dimensions of the tank, for...
MHT CET 2023 10th May Morning Shift
A square plate is contracting at the uniform rate $$4 \mathrm{~cm}^2 / \mathrm{sec}$$, then the rate at which the perimeter is decreasing, when side o...
MHT CET 2023 10th May Morning Shift
A ladder of length $$17 \mathrm{~m}$$ rests with one end against a vertical wall and the other on the level ground. If the lower end slips away at the...
MHT CET 2023 10th May Morning Shift
If the line $$a x+b y+c=0$$ is a normal to the curve $$x y=1$$, then
MHT CET 2023 10th May Morning Shift
A kite is $$120 \mathrm{~m}$$ high and $$130 \mathrm{~m}$$ of string is out. If the kite is moving away horizontally at the rate of $$39 \mathrm{~m} /...
MHT CET 2023 9th May Evening Shift
If slope of a tangent to the curve $$x y+a x+b y=0$$ at the point $$(1,1)$$ on it is 2, then a - b is
MHT CET 2023 9th May Evening Shift
The equation $$x^3+x-1=0$$ has
MHT CET 2023 9th May Evening Shift
The range of values of $$x$$ for which $$f(x)=x^3+6 x^2-36 x+7$$ is increasing in
MHT CET 2023 9th May Evening Shift
The maximum value of the function $$f(x)=3 x^3-18 x^2+27 x-40$$ on the set $$\mathrm{S}=\left\{x \in \mathbb{R} / x^2+30 \leq 11 x\right\}$$ is
MHT CET 2023 9th May Evening Shift
A water tank has a shape of inverted right circular cone whose semi-vertical angle is $$\tan ^{-1}\left(\frac{1}{2}\right)$$. Water is poured into it ...
MHT CET 2023 9th May Evening Shift
Let $$\mathrm{f}(0)=-3$$ and $$\mathrm{f}^{\prime}(x) \leq 5$$ for all real values of $$x$$. The $$\mathrm{f}(2)$$ can have possible maximum value as...
MHT CET 2023 9th May Morning Shift
The value of $$c$$ of Lagrange's mean value theorem for $$f(x)=\sqrt{25-x^2}$$ on $$[1,5]$$ is
MHT CET 2023 9th May Morning Shift
The value of $$\alpha$$, so that the volume of the parallelopiped formed by $$\hat{i}+\alpha \hat{j}+\hat{k}, \hat{j}+\alpha \hat{k}$$ and $$\alpha \h...
MHT CET 2023 9th May Morning Shift
The maximum value of xy when x + 2y = 8 is
MHT CET 2023 9th May Morning Shift
An object is moving in the clockwise direction around the unit circle $$x^2+y^2=1$$. As it passes through the point $$\left(\frac{1}{2}, \frac{\sqrt{3...
MHT CET 2023 9th May Morning Shift
A spherical raindrop evaporates at a rate proportional to its surface area. If originally its radius is $$3 \mathrm{~mm}$$ and 1 hour later it reduces...
MHT CET 2022 11th August Evening Shift
If the function $$f(x)=x^3-3(a-2) x^2+3 a x+7$$, for some $$a \in I R$$ is increasing in $$(0,1]$$ and decreasing in $$[1,5)$$, then a root of the equ...
MHT CET 2022 11th August Evening Shift
A firm is manufacturing 2000 items. It is estimated that the rate of change of production $$P$$ with respect to additional number of workers $$x$$ is ...
MHT CET 2022 11th August Evening Shift
If the normal to the curve $$y=f(x)$$ at the point $$(3,4)$$ makes an angle $$\left(\frac{3 \pi}{4}\right)^c$$ with positive $$X$$-axis, then $$f^{\pr...
MHT CET 2022 11th August Evening Shift
If $$y=\cos \left(\sin x^2\right)$$, then $$\frac{\mathrm{d} y}{\mathrm{~d} x}$$ at $$x=\sqrt{\frac{\pi}{2}}$$ is
MHT CET 2022 11th August Evening Shift
A spherical iron ball of $$10 \mathrm{~cm}$$ radius is coated with a layer of ice of uniform thickness that melts at the rate of $$50 \mathrm{~cm}^3 /...
MHT CET 2021 24th September Evening Shift
The distance 's' in meters covered by a particle in t seconds is given by $$s=2+27 t-t^3$$. The particle will stop after _________ distance.
MHT CET 2021 24th September Evening Shift
The curve $$y=a x^3+b x^2+c x+5$$ touches $$X$$-axis at $$P(-2,0)$$ and cuts $$Y$$-axis at a point $$Q$$, where its gradient is 3, then
MHT CET 2021 24th September Evening Shift
The minimum value of the function f(x) = x log x is
MHT CET 2021 24th September Morning Shift
The maximum area of the rectangle that can be inscribed in a circle of radius $$r$$ is
MHT CET 2021 24th September Morning Shift
$$f(x)=\log |\sin x|$$, where $$x \in(0, \pi)$$ is strictly increasing on
MHT CET 2021 24th September Morning Shift
The velocity of a particle at time $$t$$ is given by the relation $$v=6 t-\frac{t^2}{6}$$. Its displacement S is zero at $$\mathrm{t}=0$$, then the di...
MHT CET 2021 23rd September Evening Shift
The radius of a circular plate is increasing at the rate of $$0.01 \mathrm{~cm} / \mathrm{sec}$$, when the radius is $$12 \mathrm{~cm}$$. Then the rat...
MHT CET 2021 23rd September Evening Shift
If $$x=a(\theta+\sin \theta)$$ and $$y=a(1-\cos \theta)$$ then $$\left(\frac{d^2 y}{d x^2}\right)_{at~ \theta=\pi / 2}=$$
MHT CET 2021 23rd September Evening Shift
The equation of tangent to the curve $$y=\sqrt{2} \sin \left(2 x+\frac{\pi}{4}\right)$$ at $$x=\frac{\pi}{4}$$, is
MHT CET 2021 23th September Morning Shift
Function $$f(x)=e^{-1 / x}$$ is strictly increasing for all $$x$$ where
MHT CET 2021 23th September Morning Shift
If $$x=-2$$ and $$x=4$$ are the extreme points of $$y=x^3-\alpha x^2-\beta x+5$$, then
MHT CET 2021 23th September Morning Shift
10 is divided into two parts such that the sum of double of the first and square of the other is minimum, then the numbers are respectively
MHT CET 2021 22th September Evening Shift
The function $$f(x)=\frac{\lambda \sin x+6 \cos x}{2 \sin x+3 \cos x}$$ is increasing, if
MHT CET 2021 22th September Evening Shift
If $$f(x)=x^2+a x+b$$ has minima at $$x=3$$ whose value is 5 , then the values of $$a$$ and $$b$$ are respectively.
MHT CET 2021 22th September Evening Shift
The slant height of a right circular cone is $$3 \mathrm{~cm}$$. The height of the cone for maximum volume is
MHT CET 2021 22th September Morning Shift
The point on the curve $$y^2=2(x-3)$$ at which the normal is parallel to the line $$y-2 x+1=0$$ is
MHT CET 2021 22th September Morning Shift
A sperical snow ball is forming so that its volume is increasing at the rate of $$8 \mathrm{~cm}^3 / \mathrm{sec}$$. Find the rate of increase of radi...
MHT CET 2021 21th September Evening Shift
The abscissa of the points, where the tangent to the curve $$y=x^3-3 x^2-9 x+5$$ is parallel to $$X$$ axis are
MHT CET 2021 21th September Evening Shift
For all real $$x$$, the minimum value of the function $$f(x)=\frac{1-x+x^2}{1+x+x^2}$$ is
MHT CET 2021 21th September Evening Shift
The function $$f(x)=\log (1+x)-\frac{2 x}{2+x}$$ is increasing on
MHT CET 2021 21th September Morning Shift
A body at an unknown temperature is placed in a room which is held at a constant temperature of $$30^{\circ} \mathrm{F}$$. If after 10 minutes the tem...
MHT CET 2021 21th September Morning Shift
A stone is thrown into a quite lake and the waves formed move in circles. If the radius of a circular wave increases at the rate of 4 cm/sec, then the...
MHT CET 2021 21th September Morning Shift
The function $$f(x)=\cot ^{-1} x+x$$ is increasing in the interval.
MHT CET 2021 21th September Morning Shift
The curves $$\frac{x^2}{a^2}+\frac{y^2}{4}=1$$ and $$y^3=16 x$$ intersect each other orthogonally, then $$a^2=$$
MHT CET 2021 20th September Evening Shift
The surface area of a spherical balloon is increasing at the rate $$2 \mathrm{~cm}^2 / \mathrm{sec}$$. Then rate of increase in the volume of the ball...
MHT CET 2021 20th September Evening Shift
If $$f(x)=2x^3-15x^2-144x-7$$, then $$f(x)$$ is strictly decreasing in
MHT CET 2021 20th September Evening Shift
The equation of tangent to the circle $$x^2+y^2=64$$ at the point $$\mathrm{P\left(\frac{2\pi}{3}\right)}$$ is
MHT CET 2021 20th September Evening Shift
Water is being poured at the rate of 36 m$$^3$$/min. into a cylindrical vessel, whose circular base is of radius 3 m. Then the wate level in the cyli...
MHT CET 2021 20th September Morning Shift
A wire of length 20 units is divided into two parts such that the product of one part and cube of the other part is maximum, then product of these par...
MHT CET 2021 20th September Morning Shift
A particle is moving on a straight line. The distance $$\mathrm{S}$$ travelled in time $$\mathrm{t}$$ is given by $$\mathrm{S=a t^2+b t+6}$$. If the p...
MHT CET 2021 20th September Morning Shift
The equation of the tangent to the curve $$y = 4x{e^x}$$ at $$\left( { - 1,{{ - 4} \over e}} \right)$$ is
MHT CET 2020 19th October Evening Shift
The maximum volume of a right circular cylinder if the sum of its radius and height is 6 m is
MHT CET 2020 19th October Evening Shift
The equation of the normal to the curve $2 x^2+y^2=12$ at the point $(2,2)$ is
MHT CET 2020 19th October Evening Shift
The area of the square increases at the rate of $0.5 \mathrm{~cm}^2 / \mathrm{sec}$. The rate at which its perimeter is increasing when the side of th...
MHT CET 2020 16th October Evening Shift
The equation of normal to the curve $$y=\sin \left(\frac{\pi x}{4}\right)$$ at the point $$(2,5)$$ is
MHT CET 2020 16th October Evening Shift
$$\text { If } \sin (x+y)+\cos (x+y)=\sin \left[\cos ^{-1}\left(\frac{1}{3}\right)\right] \text {, then } \frac{dy}{dx}=$$
MHT CET 2020 16th October Evening Shift
For every value of $$x$$, the function $$f(x)=\frac{1}{a^x}, a>$$ 0 is,
MHT CET 2020 16th October Morning Shift
If $$f(x)=\log (\sin x), x \in\left[\frac{\pi}{6}, \frac{5 \pi}{6}\right]$$, then value of '$$c$$' by applying LMVT is
MHT CET 2020 16th October Morning Shift
The equation of tangent at $$P(-4,-4)$$ on the curve $$x^2=-4 y$$ is
MHT CET 2019 3rd May Morning Shift
- The edge of a cube is decreasing at the rate of $0.04 \mathrm{~cm} / \mathrm{sec}$. If the edge of the cube is 10 cms , then rate of decrease of sur...
MHT CET 2019 3rd May Morning Shift
If $r$ is the radius of spherical balloon at time $t$ and the surface area of balloon changes at a constant rate $K$, then......
MHT CET 2019 3rd May Morning Shift
The slope of normal to the curve $x=\sqrt{t}$ and $y=t-\frac{1}{\sqrt{t}}$ at $t=4$ is ..........
MHT CET 2019 3rd May Morning Shift
If $f(x)=x+\frac{1}{x}, x \neq 0$, then local maximum and minimum values of function $f$ are respectively.......
MHT CET 2019 2nd May Evening Shift
The function $f(x)=x^3-3 x$ is ............
MHT CET 2019 2nd May Evening Shift
Using differentiation, approximate value of $f(x)=x^2-2 x+1$ at $x=2.99$ is ............
MHT CET 2019 2nd May Evening Shift
A particle moves so that $x=2+27 t-t^3$. The direction of motion reverses after moving a distance of ....... units.
MHT CET 2019 2nd May Morning Shift
A stone is dropped into a pond. Waves in the form of circles are generated and radius of outermost ripple increases at the rate of $5 \mathrm{~cm} / \...
MHT CET 2019 2nd May Morning Shift
The equation of normal to the curve $y=\log _\theta x$ at the point $P(1,0)$ is ............
MHT CET 2019 2nd May Morning Shift
If $f(x)=3 x^3-9 x^2-27 x+15$, then the maximum value of $f(x)$ is ...........