∫Inx/(1-x)^2dx
=∫Inxd(1/(1-x))
=lnx/(1-x)-∫1/(1-x)d(lnx)
=lnx/(1-x)-∫1/(x(1-x))dx
=lnx/(1-x)-∫(1/x+1/(1-x))dx
=lnx/(1-x)-lnx+ln|1-x|+C
∫Inx/(1-x)^2dx
=-∫Inx/(1-x)^2d(1-x)
=∫Inxd1/(1-x)
=lnx/(1-x)-∫x/(1-x)dx
=lnx/(1-x)+∫(1-x+1)/(1-x)dx
=lnx/(1-x)+∫[1+1/(1-x)]dx
=lnx/(1-x)+x-ln(1-x)+C