1
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

The general solution of the differential equation $(x-2 y+1) d y-(3 x-6 y+2) d x=0$ is

A

$\left|x+2 y+\frac{3}{5}\right|^{2 / 25} \cdot e^{115(x+2 y)}=C$

B

$\left|x-2 y+\frac{3}{5}\right|^{2 / 25} \cdot e^{1 / 5(x-2 y)}=C$

C

$\left|x-2 y+\frac{3}{5}\right|^{\frac{2}{25}} \cdot e^{1 / 5(6 x-2 y)}=C$

D

$\left|x-2 y+\frac{1}{5}\right|^{\frac{2}{25}} \cdot e^{1 / 5(x-2 y)}=C$

2
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

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

A

$x=\left(\tan ^{-1} y\right)-1+C e^{-\tan ^{-1} y}$

B

$x=\left(\tan ^{-1} y\right)-1+C e^{\tan ^{-1} y}$

C

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

D

$x=\left(\tan ^{-1} y\right)+C e^{-\tan ^{-1} y}$

3
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Let $G, W, E$ and $S$ be relative strength of gravitational, weak-nuclear, electromagnetic and strong-nuclear forces, respectively. Which of the correct statement?

A

$S>W>E>G$

B

$E>W>S>G$

C

$S>E>W>G$

D

$S>E>G>W$

4
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the dimension of $\frac{1}{\mu_0 \varepsilon_0}$ ? ( $\mu_0=$ magnetic permeability and $\varepsilon_0=$ permittivity of free space)

A

$\left[\mathrm{L}^2 \mathrm{~T}^{-2}\right]$

B

$\left[\mathrm{LT}^{-1}\right]$

C

$\left[L^2 T^2\right]$

D

$\left[\mathrm{LT}^2\right]$

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