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CUET
-- Mathematics - Section B1
Differential Equations
The integrating factor of the differential equation $x \frac{d y}{d x}-y=\sin x$ is:
$-\frac{1}{x}$
$x$
$e^{\log x}$
$\frac{1}{x}$
The correct answer is Option (4) → $\frac{1}{x}$