Hello!

$\displaystyle

\int{\frac{xdx}{(x^2-3x+2)\sqrt{x^2-4x+3}}}

$

Haven't been much familiar with these, so I need some help!

I think there's a hint but but I'm not sure if it's right: $\displaystyle \sqrt{(x-1)(x-3)}=t(x-3)$, anyway I don't know how to use it!

Thanks