1
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

$$\int_{ - \pi /2}^{\pi /2} {\sin xdx} $$

A
2
B
3
C
0
D
5
2
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

The value of the integral $$\int\limits_0^{\pi /2} {({{\sin }^{100}}x - {{\cos }^{100}}x)dx} $$ is

A
$${{100!} \over {{{(100)}^{100}}}}$$
B
$${1 \over {100}}$$
C
0
D
$${\pi \over {100}}$$
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

If $$k\int\limits_0^1 {x\,.\,f(3x)dx = \int\limits_0^3 {t\,.\,f(t)dt} } $$, then the value of $$k$$ is

A
3
B
9
C
1/3
D
1/9
COMEDK Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12