1
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0
If $y=\tan ^{-1} \sqrt{x^2-1}+\sinh ^{-1} \sqrt{x^2-1}, x>1$, then $\frac{d y}{d x}=$
A

$\frac{1}{x \sqrt{x^2-1}}$

B

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

C

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

D

$\frac{x}{\sqrt{x^2-1}}$

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

If $y=(\log x)^{1 / x}+x^{\log x}$, at $x=e, \frac{d y}{d x}=$

A

$2+\frac{1}{e}$

B

$e^2+\frac{1}{2}$

C

$\frac{1}{e^2}+2$

D

$e+\frac{1}{e}$

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

The interval in which the function $f(x)=\tan ^{-1}(\sin x+\cos x)$ is an increasing function is

A

$\left(0, \frac{\pi}{2}\right)$

B

$\left(-\frac{\pi}{2}, \frac{\pi}{2}\right)$

C

$\left(-\frac{3 \pi}{4}, \frac{\pi}{4}\right)$

D

$\left(\frac{\pi}{4}, \frac{\pi}{2}\right)$

4
AP EAPCET 2025 - 23rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The slope of a tangent drawn at the point $P(\alpha, \beta)$ lying on the curve $y=\frac{1}{2 x-5}$ is -2 . If $P$ lies in the fourth quadrant, then $\alpha-\beta=$
A

4

B

3

C

2

D

1