GATE Chemical 2014 | Question: 27

Question

The integrating factor for the differential equation

$\frac{dy}{dx}-\frac{y}{1+x}=\left ( 1+x \right )$ is

• A. $\frac{1}{1+x}$
• B. $(1+x)$
• C. $x(1+x)$
• D. $\frac{x}{1+x}$