要是分式x+1分之(x+1)(x-2)有意义,则x应满足?
问题描述:
要是分式x+1分之(x+1)(x-2)有意义,则x应满足?
答
(x+1)(x-2)/(x+1) is defined for
x+1 ≠ 0
x ≠ -1