1.Integrating factor of xdydx−y=x4−3xx\frac{dy}{dx} - y = x^4 - 3xxdxdy−y=x4−3x isa.xxxb.logx\log xlogxc.1x\frac{1}{x}x1d.−x-x−xLogin to continueOnly logged in users canattempt or see the solution.