1
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

Let $I=\int_{-\pi / 4}^{\pi / 4} \frac{1}{2-\cos 2 x}\left(\frac{\beta}{\pi}+\log \left(\frac{4+\sin x}{4-\sin x}\right)\right) d x$. Given that $\int \frac{d x}{1+k x^2}=\frac{1}{\sqrt{k}} \tan ^{-1}(\sqrt{k} x)+c, \tan ^{-1}(0)=0$ and $\tan ^{-1}(\sqrt{3})=\pi / 3$. Then, $3 I^2=$

A

4

B

9

C

16

D

1

2
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The differential equation of the family of circles with fixed radius $r$ units and centre on the line $y=3$, is

A

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

B

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

C

$\left(\frac{d y}{d x}\right)^2=\frac{r^2}{(y-3)^2}$

D

$\left(\frac{d y}{d x}\right)^2=\frac{r^2}{y-3}$

3
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The degree of the differential equation

$$ x\left(\frac{d^2 y}{d x^2}\right)^{1 / 3}+2 x^2\left(\frac{d^2 y}{d x^2}\right)^{5 / 3}+7 \frac{d y}{d x}+y=0 $$

A

15

B

5

C

12

D

3

4
TS EAMCET 2022 (Online) 18th July Morning Shift
MCQ (Single Correct Answer)
+1
-0

The curve that satisfies the differential equation $x y d y-\left(1+y^2\right) d x=0$ passes through $(1,0)$ and intersects the curve $x^2+3 y^2=3$ at an angle $\theta$. Then, $\frac{2 \theta}{\pi}=$

A

2

B

0

C

4

D

1

TS EAMCET Papers

All year-wise previous year question papers