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

$$ \int \frac{\sec ^2 x}{\sin ^7 x} d x-\int \frac{7}{\sin ^7 x} d x= $$

A

$\frac{1}{\sin ^6 x \cos x}+C$

B

$\frac{\tan x}{\sin ^8 x}+C$

C

$\sin ^8 x \cos x+C$

D

$\sec x \tan ^7 x+C$

2
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0
If $\int\left(x^6+x^4+x^2\right) \sqrt{2 x^4+3 x^2+6} d x=f(x)+c$, then $f(3)=$
A

$\frac{3}{2}(95)^{3 / 2}$

B

$\frac{3}{2}(195)^{3 / 2}$

C

$\frac{3}{2}(265)^{3 / 2}$

D

$\frac{3}{2}(175)^{3 / 2}$

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

$$ \int \frac{d x}{(x+1) \sqrt{x^2+1}}= $$

A

$\frac{1}{\sqrt{2}} \sinh ^{-1}\left(\frac{1+x}{1-x}\right)+C$

B

$\frac{1}{\sqrt{2}} \sinh ^{-1}\left(\frac{1-x}{1+x}\right)+C$

C

$-\frac{1}{\sqrt{2}} \sinh ^{-1}\left(\frac{1-x}{1+x}\right)+C$

D

$-\frac{1}{\sqrt{2}} \sinh ^{-1}\left(\frac{1+x}{1-x}\right)+C$

4
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $\int \frac{d x}{2 \cos x+3 \sin x+4}=\frac{2}{\sqrt{3}} f(x)+C$, then $f\left(\frac{2 \pi}{3}\right)=$

A

$\frac{\pi}{12}$

B

$\frac{\pi}{8}$

C

$\frac{5 \pi}{12}$

D

$\frac{5 \pi}{8}$