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

The area of the region (in sq units) bounded by the curves $x^2+y^2=16$ and $y^2=6 x$ is

A

$4 \pi+4 \sqrt{3}$

B

$\frac{2}{3}(4 \pi+\sqrt{3})$

C

$\frac{4}{3}(4 \pi+\sqrt{3})$

D

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

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

If $a$ and $b$ are arbitrary constants, then the differential equation corresponding to the family of curves $y=\tan (a x+b)$ is

A

$\left(1+x^2\right) y_2-2 y y_1+y=0$

B

$\left(1+y^2\right) y_2-2 y y_1^2=0$

C

$\left(1+x^2\right) y_2+2 y y_1^2=0$

D

$\left(1+y^2\right) y_2-2 y y_1^2+y=0$

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

The general solution of the differential equation $x y(y+2) d y+\left(y^3-1\right) d x=0$ is

A

$\log |x+2 y|+\frac{2}{\sqrt{3}} \tan ^{-1}\left(\frac{y-x}{\sqrt{3} x}\right)=C$

B

$\log |2 x-y|+\frac{2}{3} \tan ^{-1}\left(\frac{x-y}{\sqrt{3} x}\right)=C$

C

$\log |x y-x|+\frac{2}{\sqrt{3}} \tan ^{-1}\left(\frac{2 y+1}{\sqrt{3}}\right)=C$

D

$\log |x+y|+\frac{2}{3} \tan ^{-1}\left(\frac{x-2 y}{\sqrt{3 x}}\right)=C$

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

The general solution of the differential equation $\left(1+\sin ^2 x\right) \frac{d y}{d x}+y \sin 2 x=\cos x+\sin ^2 x \cos x$ is

A

$(\sin 2 x) y=\sin ^2 x+C$

B

$\left(1+\sin ^2 x\right) y=\sin x-\frac{\sin ^3 x}{3}+C$

C

$\left(1+\sin ^2 x\right) y=\sin x+\frac{\sin ^3 x}{3}+C$

D

$(\sin 2 x) y=\sin x+\sin ^2 x+C$