lim(x→1)(x^2-2x+1)/lnx-x+1

lim(x→1)(x^2-2x+1)/lnx-x+1

lim(x→1)(x^2-2x+1)/lnx-x+1 0/0的形式,應用羅必達
=lim(x→1) (2x-2)/(1/x -1) 0/0的形式,應用羅必達
=lim(x→1) 2/(-1/x^2)
=-2