Question

The integrating Factor of the differential equation $x\frac{dy}{dx}-y=2x^2$ is

• A. $e^{-x}$
• B. $e^{-y}$
• C. $\frac{1}{x}$
• D. $x$

Answer 1

Answer: (C)

Integrating factor $=e^{\int P(x)dx}$
$P(x)=\frac{-1}{x}$