若幂函数f(x)=x^(2/3),则不等式f(x)>1的解为?

问题描述:

若幂函数f(x)=x^(2/3),则不等式f(x)>1的解为?

x^(2/3)>1
x²>1
(x+1)(x-1)>0
x1
解为x1