1
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The angle between the curves $y^2=x$ and $x^2=y$ at the point $(1,1)$ is

A

$\tan ^{-1}\left(\frac{4}{3}\right)$

B

$\tan ^{-1}\left(\frac{3}{4}\right)$

C

$90^{\circ}$

D

$45^{\circ}$

2
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If $\int \frac{5 \tan x}{\tan x-2} d x=a x+b \log |\sin x-2 \cos x|+c$, then $a+b=$

A

2

B

3

C

4

D

-1

3
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

$$ \int x \cos ^{-1}\left(\frac{1-x^2}{1+x^2}\right) d x(x>0)= $$

A

$-x+\left(1+x^2\right) \tan ^{-1} x+C$

B

$x-\left(1+x^2\right) \cot ^{-1} x+C$

C

$-x+\left(1+x^2\right) \cot ^{-1} x+C$

D

$x-\left(1+x^2\right) \tan ^{-1} x+C$

4
AP EAPCET 2025 - 27th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

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

A

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

B

$-\sqrt{\frac{1-\sqrt{x}}{1+\sqrt{x}}}+C$

C

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

D

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