1
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \lim _{n \rightarrow \infty}\left[\left(1+\frac{1}{n^2}\right)\left(1+\frac{2^2}{n^2}\right) \ldots(2)\right]^{1 / n}= $$

A

$2 e^{\pi-4}$

B

$e^{\frac{\pi-4}{2}}$

C

$2 e^{\frac{\pi-4}{2}}$

D

$\frac{1}{2} e^{\frac{\pi-4}{2}}$

2
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The area (in sq units) of the region bounded by the circle $x^2+y^2=64$, positive $X$-axis and the line $y=\sqrt{3} x$ is

A

$16 \pi / 3$

B

$8 \pi / 3$

C

$64 \pi / 3$

D

$32 \pi / 3$

3
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $a$ and $b$ are the arbitrary constants, then the differential equation corresponding to the family of curves given by $y=x[a \cos (\log x)+b \sin (\log x)]$ is

A

$x^2 \frac{d^2 y}{d x^2}+x \frac{d y}{d x}-2 y=0$

B

$x^2 \frac{d^2 y}{d x^2}-x \frac{d y}{d x}+2 y=0$

C

$x^2 \frac{d^2 y}{d x^2}-x \frac{d y}{d x}-2 y=0$

D

$x^2 \frac{d^2 y}{d x^2}-x \frac{d y}{d x}+y=0$

4
TS EAMCET 2023 (Online) 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If the solution for the differential equation $y^2 d x+\left(x^2-x y-y^2\right) d y=0$ at $(2,1)$ is $x+y=k\left(x y^2-y^3\right)$, then $k=$

A

-3

B

-4

C

4

D

3

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