1
AP EAPCET 2025 - 26th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \mathop {\lim }\limits_{x \to \infty } \frac{(3-x)^{25}(6+x)^{35}}{(12+x)^{38}(9-x)^{22}}= $$

A

$3^{60}$

B

-1

C

1

D

0

2
AP EAPCET 2025 - 26th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If a real valued function

$$ f(x)=\left\{\begin{array}{cc} \log (1+[x]), & x \geq 0 \\ \sin ^{-1}[x], & -1 \leq x<0 \\ k([x]+|x|), & x<-1 \end{array}\right. $$

is continuous at $x=-1$, then $k=$

A

$-\pi / 2$

B

$-\pi$

C

$\pi$

D

$\pi / 2$

3
AP EAPCET 2025 - 26th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $y=\sin ^{-1}\left(\frac{2 x}{1+x^2}\right)$ and $\left(\frac{d^2 y}{d x^2}\right)_{x=2}=k$, then $25 k=$

A

$(-3)^2$

B

$(-2)^3$

C

3

D

$(-2)^5$

4
AP EAPCET 2025 - 26th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $f(x)=x^{\sec ^{-1} x}$, then $f^{\prime}(2)=$

A

$\frac{2^{\pi / 3}}{6}(\pi-\sqrt{3} \log 2)$

B

$\frac{2^{\pi / 6}}{6}(\pi+\sqrt{3} \log 2)$

C

$\frac{2^{\pi / 3}}{6}(\pi+\sqrt{3} \log 2)$

D

$\frac{2^{\pi / 6}}{6}(\pi-\sqrt{3} \log 2)$