Integrate : $\int \large\frac{x^2}{(x \sin x + \cos x)^2}$$dx$

Question

$(a)\;\frac{-x}{\cos x [ x\sin x+\cos x]}+ \cot x+c \qquad (b)\;\frac{-x}{\cos x [ x\sin x+\cos x]}+ \tan x+c \qquad(c)\;\frac{-x}{\cos x [ x\sin x+\cos x]}+ \sin x+c \qquad (d)\;None$