Find the integrating factor μ(x)\mu(x)μ(x) for the differential equation y′+2xy=3xy' + \frac{2}{x}y = 3xy′+x2y=3x.
μ(x)=x\mu(x) = xμ(x)=x
x2x^2x2
ln(x)\ln(x)ln(x)
x3x^3x3