(x+1)(x-1)分之(x-1)(x+3)有意义,则x的取值为
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(x+1)(x-1)分之(x-1)(x+3)有意义,则x的取值为
(x+1)(x-1)分之(x-1)(x+3)有意义,则x的取值为
(x+1)(x-1)分之(x-1)(x+3)有意义,则x的取值为
(x+1)(x-1)分之(x-1)(x+3)有意义
则分母(x+1)(x-1)≠0
所以x≠-1且x≠1
x≠1,-1
(x+1)(x-1)分之(x-1)(x+3)有意义
则分母(x+1)(x-1)≠0
所以x≠-1且x≠1
x≠1且≠-1
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