(x-1)分之根号下x-1/根号下1/(x^2-x)

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(x-1)分之根号下x-1/根号下1/(x^2-x)(x-1)分之根号下x-1/根号下1/(x^2-x)(x-1)分之根号下x-1/根号下1/(x^2-x)中间步骤自已可以适当省略(x-1)分之根号下

(x-1)分之根号下x-1/根号下1/(x^2-x)
(x-1)分之根号下x-1/根号下1/(x^2-x)

(x-1)分之根号下x-1/根号下1/(x^2-x)
中间步骤自已可以适当省略

(x-1)分之根号下x-1/根号下1/(x^2-x)
=√(1/x-1)*(x^2-x)
=√x