1
AP EAPCET 2025 - 23rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \int \frac{1}{\cos x}\left[\frac{1}{\sin x}-\frac{1}{\sin x+3 \cos x}\right] d x= $$

A

$\frac{1}{3} \log \left|\frac{\sin x}{\sin x+3 \cos x}\right|+C$

B

$\log \left|\frac{\cos x}{\sin x+3 \cos x}\right|+c$

C

$\frac{1}{3} \log \left|\frac{\cos x}{\sin x+3 \cos x}\right|+C$

D

$\log \left|\frac{\sin x}{\sin x+3 \cos x}\right|+c$

2
AP EAPCET 2025 - 23rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \int \cos ^{-1}\left(\frac{1-x^2}{1+x^2}\right) d x= $$

A

$2\left[x \tan ^{-1} x-\log \sqrt{1+x^2}\right]+C$

B

$2 x \tan ^{-1} x+\log \sqrt{1+x^2}+C$

C

$x \tan ^{-1} x+\log \sqrt{1-x^2}+C$

D

$2\left[\tan ^{-1} x-\log \sqrt{1+x^2}\right]+C$

3
AP EAPCET 2025 - 23rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \int_0^x \frac{t^2}{\sqrt{a^2+t^2}} d t= $$

A

$\frac{x}{2} \sqrt{a^2+x^2}+\log \left|x+\sqrt{a^2+x^2}\right|$

B

$\sqrt{a^2+x^2}-a^2 \sinh ^{-1} \frac{x}{a}$

C

$\frac{x}{2} \sqrt{a^2+x^2}+\frac{a^2}{4} \log \left|x+\sqrt{a^2+x^2}\right|$

D

$\frac{x}{2} \sqrt{a^2+x^2}-\frac{a^2}{2} \sinh ^{-1} \frac{x}{a}$

4
AP EAPCET 2025 - 23rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The area (in sq. units) of the region bounded by the lines $x=0, x=\frac{\pi}{2}$ and $f(x)=\sin x, g(x)=\cos x$ is
A

$2(\sqrt{2}-1)$

B

$2(\sqrt{2}+1)$

C

$2(\sqrt{3}-1)$

D

$3 \sqrt{2}+1$