1
GATE EE 2022
MCQ (Single Correct Answer)
+2
-0.67

Let $$f(x) = \int\limits_0^x {{e^t}(t - 1)(t - 2)dt} $$. Then f(x) decreases in the interval.

A
x $$\in$$ (1, 2)
B
x $$\in$$ (2, 3)
C
x $$\in$$ (0, 1)
D
x $$\in$$ (0.5, 1)
2
GATE EE 2022
MCQ (Single Correct Answer)
+2
-0.67

Let R be a region in the first quadrant of the xy plane enclosed by a closed curve C considered in counter-clockwise direction. Which of the following expressions does not represent the area of the region R?

GATE EE 2022 Engineering Mathematics - Calculus Question 9 English

A
$$\int\!\!\!\int\limits_R {dxdy} $$
B
$$\oint\limits_C {xdy} $$
C
$$\oint\limits_C {ydx} $$
D
$${1 \over 2}\oint\limits_C {(xdy - ydx)} $$
3
GATE EE 2021
MCQ (Single Correct Answer)
+2
-0.67

In the open interval $(0,1)$, the polynomial $p(x)=x^4-4 x^3+2$ has

A

Two real roots

B

One real root

C

Three real roots

D

No real roots

4
GATE EE 2017 Set 1
MCQ (Single Correct Answer)
+2
-0.6
A function $$f(x)$$ is defined as
$$f\left( x \right) = \left\{ {\matrix{ {{e^x},x < 1} \cr {\ln x + a{x^2} + bx,x \ge 1} \cr } \,\,,\,\,} \right.$$ where $$x \in R.$$

Which one of the following statements is TRUE?

A
$$f(x)$$ is NOT differentiable at $$x=1$$ for any values of $$a$$ and $$b.$$
B
$$f(x)$$ is differentiable at $$x=1$$ for the unique values of $$a$$ and $$b.$$
C
$$f(x)$$ is differentiable at $$x=1$$ for all values of $$a$$ and $$b$$ such that $$a+b=c.$$
D
$$f(x)$$ is differentiable at $$x=1$$ for all values of $$a$$ and $$b.$$

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