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

If $g$ is the inverse of the function $f(x)$ and $g(x)=x+\tan x$, then $f^{\prime}(x)=$

A

$1+\sec ^2 x$

B

$\frac{1}{1+\sec ^2 f(x)}$

C

$\frac{1}{1+\sec ^2 g(x)}$

D

$1+\sec ^2 f(x)$

2
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $\sqrt{x-x y}+\sqrt{y-x y}=1$, then $\frac{d y}{d x}=$

A

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

B

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

C

$-\sqrt{\frac{1-y}{1-x}}$

D

$-\sqrt{\frac{x-y}{x+y}}$

3
AP EAPCET 2025 - 22nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $y=\tan ^{-1}\left(\frac{x}{1+2 x^2}\right)+\tan ^{-1}\left(\frac{x}{1+6 x^2}\right)$, then $\frac{d y}{d x}=$

A

$\frac{4}{16 x^2+1}-\frac{3}{9 x^2+1}$

B

$\frac{3}{9 x^2+1}-\frac{1}{x^2+1}$

C

$\frac{3}{9 x^2+1}-\frac{2}{4 x^2+1}$

D

$\frac{1}{9 x^2+1}-\frac{1}{x^2+1}$

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

If the tangent drawn at the point $\left(x_1, y_1\right), x_1, y_1 \in N$ on the curve $y=x^4-2 x^3+x^2+5 x$ passes through origin, then $x_1+y_1=$

A

5

B

4

C

7

D

6