CUET Preparation Today
CUET
-- Mathematics - Section B1
Differential Equations
Integrating factor of $\frac{dy}{dx}+\frac{y}{x}=x^3-3$; (x > 0) is :
x
log x
-x
ex
$I.F.=e^{\frac{1}{x}dx}=e^{ln\,x}=x$
