计算极限习题limX→2(X^2-3X+2)/(X-2)
问题描述：
计算极限习题limX→2(X^2-3X+2)/(X-2)
答
(X^2-3X+2)/(X-2)=(x-1)(x-2)/(x-2)=(x-1)
lim(x->2)(X^2-3X+2)/(X-2)=2-1=1
答
原式=lim(x→2)(x-1)(x-2)/(x-2)
=lim(x→2)(x-1)
=2-1
=1