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GATE CSE

Calculus

Discrete Mathematics

Previous Years Questions

Marks 1

More
The value of the following limit is _____________. $$\mathop {\lim }\limits_{x \to {0^ + }} {{\sqrt x } \over {1 - {e^{2...
GATE CSE 2022
Consider the functions I. $${e^{ - x}}$$ II. $${x^2} - \sin x$$ III. $$\sqrt {{x^3} + 1} $$ Which of the above functions...
GATE CSE 2020
Compute $$\mathop {\lim }\limits_{x \to 3} {{{x^4} - 81} \over {2{x^2} - 5x - 3}}$$
GATE CSE 2019
Consider a quadratic equation $${x^2} - 13x + 36 = 0$$ with coefficients in a base $$b.$$ The solutions of this equati...
GATE CSE 2017 Set 2
If $$f\left( x \right)\,\,\, = \,\,\,R\,\sin \left( {{{\pi x} \over 2}} \right) + S.f'\left( {{1 \over 2}} \right) = \sq...
GATE CSE 2017 Set 2
Let $$f(x)$$ be a polynomial and $$g\left( x \right) = f'\left( x \right)$$ be its derivative. If the degree of $$\left(...
GATE CSE 2016 Set 2
$$\mathop {\lim }\limits_{x \to 4} {{\sin \left( {x - 4} \right)} \over {x - 4}} = \_\_\_\_\_\_\_.$$
GATE CSE 2016 Set 1
Choose the most appropriate equation for the function drawn as a thick line, in the plot below. ...
GATE CSE 2015 Set 3
The value of $$\mathop {\lim }\limits_{x \to \alpha } {\left( {1 + {x^2}} \right)^{{e^{ - x}}}}\,\,$$ is
GATE CSE 2015 Set 3
If $$g(x)=1-x$$ & $$h\left( x \right) = {x \over {x - 1}}\,\,$$ then $$\,\,{{g\left( {h\left( x \right)} \right)} \...
GATE CSE 2015 Set 1
$$\,\,\mathop {\lim }\limits_{x \to \infty } \,{x^{1/x}}\,\,$$ is
GATE CSE 2015 Set 1
A function $$f(x)$$ is linear and has a value of $$29$$ at $$x=-2$$ and $$39$$ at $$x=3.$$ Find its value at $$x=5.$$
GATE CSE 2015 Set 3
If $$\int_0^{2\pi } {\left| {x\sin x} \right|dx = k\pi ,} $$ then the values of $$k$$ is equal to _________ .
GATE CSE 2014 Set 3
Let the function $$f\left( \theta \right) = \left| {\matrix{ {\sin \,\theta } & {\cos \,\theta } & {\tan \,...
GATE CSE 2014 Set 1
Which one of the following functions is continuous at $$x=3?$$
GATE CSE 2013
Function $$f$$ is known at the following points: The value of $$\int\limits_0^3 {f\left( x \right)dx} $$ computed usi...
GATE CSE 2013
Consider the function $$f\left( x \right) = \sin \left( x \right)$$ in the interval $$x \in \left[ {\pi /4,\,\,7\pi /4} ...
GATE CSE 2012
What is the value of $$\mathop {\lim }\limits_{n \to \infty } {\left[ {1 - {1 \over n}} \right]^{2n}}?$$
GATE CSE 2010
The value of $$\int\limits_0^3 {\int\limits_0^x {\left( {6 - x - y} \right)dxdy\,\,\,} } $$ is _____.
GATE CSE 2008
$$\mathop {\lim }\limits_{x \to \infty } {{x - \sin x} \over {x + \cos \,x}}\,\,Equals$$
GATE CSE 2008
Consider the following two statements about the function $$$f\left( x \right) = \left| x \right|:$$$ $$P.\,\,f\left( x ...
GATE CSE 2007
$$\mathop {Lim}\limits_{x \to 0} \,{{Si{n^2}x} \over x} = \_\_\_\_.$$
GATE CSE 2003
The value of the integral is $${\rm I} = \int\limits_0^{{\raise0.5ex\hbox{$\scriptstyle \pi $} \kern-0.1em/\kern-0.15em ...
GATE CSE 2001
Consider the function $$y = \left| x \right|$$ in the interval $$\left[ { - 1,1} \right]$$. In this interval, the functi...
GATE CSE 1998
The formula used to compute an approximation for the second derivative of a function $$f$$ at a point $${x_0}$$ is
GATE CSE 1996
$$\mathop {Lim}\limits_{x \to \infty } {{{x^3} - \cos x} \over {{x^2} + {{\left( {\sin x} \right)}^2}}} = \_\_\_\_\_\_.$...
GATE CSE 1995
If at every point of a certain curve, the slope of the tangent equals $${{ - 2x} \over y}$$ the curve is
GATE CSE 1995
The value of the double integral $$\int\limits_0^1 {\int\limits_x^{{1 \over x}} {{x \over {1 + {y^2}}}\,\,dx\,\,dy = \_\...
GATE CSE 1993

Marks 2

More
Consider the following expression $$\mathop {\lim }\limits_{x \to -3} \frac{{\sqrt {2x + 22} - 4}}{{x + 3}}$$ The valu...
GATE CSE 2021 Set 1
The value of $$\int_0^{\pi /4} {x\cos \left( {{x^2}} \right)dx} $$ correct to three decimal places (assuming that $$\pi ...
GATE CSE 2018
The value of $$\mathop {\lim }\limits_{x \to 1} {{{x^7} - 2{x^5} + 1} \over {{x^3} - 3{x^2} + 2}}.$$
GATE CSE 2017 Set 1
$$\,\int\limits_{1/\pi }^{2/\pi } {{{\cos \left( {1/x} \right)} \over {{x^2}}}dx = } $$ __________.
GATE CSE 2015 Set 1
Let $$\,\,f\left( x \right) = {x^{ - \left( {1/3} \right)}}\,\,$$ and $${\rm A}$$ denote the area of the region bounded ...
GATE CSE 2015 Set 2
If for non-zero $$x,$$ $$af\left( x \right) + bf\left( {{1 \over x}} \right) = {1 \over x} - 25$$ where $$a \ne b$$ th...
GATE CSE 2015 Set 3
Suppose you want to move from 0 to 100 on the number line. In each step, you either move right by a unit distance or you...
GATE CSE 2014 Set 3
A function $$f(x)$$ is continuous in the interval $$\left[ {0,2} \right]$$. It is known that $$f(0)$$ $$=$$ $$f(2)$$ $$=...
GATE CSE 2014 Set 1
The value of the integral given below is $$$\int_0^\pi {{x^2}\,\cos \,x\,dx} $$$
GATE CSE 2014 Set 3
The function $$f(x) =$$ $$x$$ $$sinx$$ satisfies the following equation: $$f$$"$$\left( x \right) + f\left( x \right) +...
GATE CSE 2014 Set 1
Given $$i = \sqrt { - 1} ,$$ what will be the evaluation of the definite integral $$\int\limits_0^{\pi /2} {{{\cos x +i ...
GATE CSE 2011
$$\int\limits_0^{\pi /4} {\left( {1 - \tan x} \right)/\left( {1 + \tan x} \right)dx} $$ $$\,\,\,\,\,\,$$ evaluates to
GATE CSE 2009
A point on a curve is said to be an extremum if it is a local minimum or a local maximum. The number of distinct extrema...
GATE CSE 2008
If $$\,\,\,\,f\,\,\,\,\left( x \right)$$ is defined as follows, what is the minimum value of $$f\,\left( x \right)$$ for...
GATE CSE 2008
What is the value of $$\int\limits_0^{2\pi } {{{\left( {x - \pi } \right)}^3}\left( {\sin x} \right)dx} $$
GATE CSE 2005
The function $$f\left( {x,y} \right) = 2{x^2} + 2xy - {y^3}$$ has
GATE CSE 2002
Find the points of local maxima and minima if any of the following function defined in $$0 \le x \le 6,$$ $$\,\,\,\,f\l...
GATE CSE 1998
What is the maximum value of the function $$f\left( x \right) = 2{x^2} - 2x + 6$$ in the interval $$\left[ {0,2} \right...
GATE CSE 1997

Marks 5

More
(a) Find the points of local maxima and minima, if any, of the following function defined $$0 \le x \le 6.\,\,\,{x^3} - ...
GATE CSE 1998

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