CUET Preparation Today
CUET
-- Mathematics - Section B1
Differential Equations
Integrating factor of the differential equation $x \frac{d y}{d x}-y=3 x^2$ is:
$-x$
$\frac{1}{x}$
$-\log x$
$e^{-x}$
The correct answer is Option (2) - $\frac{1}{x}$