1
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

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

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

$$ \int_{\frac{5}{6}}^\pi \cos ^{-4} x d x= $$

A

$\frac{64}{9 \sqrt{3}}$

B

$\frac{52 \sqrt{3}}{9}$

C

$\frac{62 \sqrt{3}}{9}$

D

$\frac{44}{9 \sqrt{3}}$

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

$$ \int\limits_0^{\frac{3 \pi}{2}} \frac{\cos ^3 x}{\cos ^3 x+\sin ^3 x} d x= $$

A

0

B

1

C

$\frac{\pi}{4}$

D

$\frac{3 \pi}{4}$

4
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $k \in N$, then $\lim\limits_{n \rightarrow \infty}\left[\frac{1}{n+1}+\frac{1}{n+2}+\frac{1}{n+3}+\ldots .+\frac{1}{k n}\right]=$

A

$\log (k+1)$

B

$\log k$

C

$\log (k+5)$

D

$\log (k+1)-\log 6$

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