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AP EAMCET · Maths · Differential Equations

An integrating factor of the differential equation \(\left(x^2+1\right) \frac{d y}{d x}+x y=x^3\) is

  1. A \(\frac{x}{1+x^2}\)
  2. B \(\frac{1}{2} \log \left(1+x^2\right)\)
  3. C \(\sqrt{1+x^2}\)
  4. D \(e^{\log \left(1+x^2\right)}\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(\sqrt{1+x^2}\)

Step-by-step Solution

Detailed explanation

Differential equation is…