Evaluate :
$\int \frac{1+\ln x-\ln^{2} x}{e^{2x}+x^{2}\ln^{2}x}e^{x}dx$
I tried use this identity :
$\int e^{g(x)}(f'(x)+g'(x)f(x))dx=f(x)e^{g(x)}+C$
I also use sub $u=\ln x$ but this sub make integral so difficult
I think integral by part is better ?