ExamBro
ExamBro
TS EAMCET · Maths · Differential Equations

The solution of \(\frac{d x}{d y}+\frac{x}{y}=x^2\) is :

  1. A \(\frac{1}{y}=c x-x \log x\)
  2. B \(\frac{1}{x}=c y-y \log y\)
  3. C \(\frac{1}{x}=c x+x \log y\)
  4. D \(\frac{1}{y}=c x-y \log x\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(\frac{1}{x}=c y-y \log y\)

Step-by-step Solution

Detailed explanation

\(\frac{d x}{d y}+\frac{x}{y}=x^2\) \(\Rightarrow \quad \frac{1}{x^2} \frac{d x}{d y}+\frac{1}{x y}=1\) Put \(\quad \frac{1}{x}=t \Rightarrow-\frac{1}{x^2} \frac{d x}{d y}=\frac{d t}{d y}\)…