1
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

$$ \int_\limits{-\frac{\pi}{2}}^{\frac{\pi}{2}} \sqrt{\cos x-\cos ^3 x} d x \text { is equal to } $$

A
$$ \frac{4}{3} $$
B
$$ -\frac{1}{3} $$
C
0
D
$$ -\frac{2}{3} $$
2
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \int_\limits{-1}^1 \frac{d}{d x}\left(\tan ^{-1} \frac{1}{x}\right) d x \text { is } $$

A
$$ \frac{\pi}{4} $$
B
$$ -\frac{\pi}{2} $$
C
$$ -\frac{\pi}{4} $$
D
$$ \frac{\pi}{2} $$
3
COMEDK 2023 Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$\int\limits_{-\pi / 2}^{\pi / 2} \sin ^2 x d x$$ is equal to

A
0
B
$$\pi$$
C
$$\frac{\pi}{2}$$
D
$$\frac{\pi}{4}$$
4
COMEDK 2023 Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \int_0^2\left|x^2+2 x-3\right| d x \text { is equal to } $$

A
3
B
6
C
2
D
4
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