Mathematics

Problem

18. The Integrating Factor of the differential equation

x \frac{d y}{d x}-y=2 x^{2}

is (A)

e^{-x}

(B)

e^{-y}

(C)

\frac{1}{x}

(D)

x

(A)

e^{-x}

(B)

e^{-y}

(C)

\frac{1}{x}

(D)

x