ExamBro
ExamBro
TS EAMCET · Maths · Differential Equations

The solution of \(\frac{d y}{d x}=\frac{x+y}{x-y}\) is

  1. A \(\tan ^{-1}\left(\frac{y}{x}\right)=\log \sqrt{x^2+y^2}+C\)
  2. B \(\tan ^{-1}\left(\frac{y}{x}\right)=\log \sqrt{x^2-y^2}+C\)
  3. C \(\sin ^{-1}\left(\frac{y}{x}\right)=\log \sqrt{x^2+y^2}+C\)
  4. D \(\cos ^{-1}\left(\frac{y}{x}\right)=\log \sqrt{x^2-y^2}+C\)
Verified Solution

Answer & Solution

Correct Answer

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

Step-by-step Solution

Detailed explanation

We have, \[ \frac{d y}{d x}=\frac{x+y}{x-y} \] Put \(y=v x\)…