解不等式x^(2/3)>x^(3/5)
问题描述:
解不等式x^(2/3)>x^(3/5)
答
对于x>0
x^(2/3)>x^(3/5) =>
x^(2/3)/x^(3/5)>1
x^(1/15)>1
x>1
对于xx^(2/3)>0
x^(3/5) 不等式恒成立
故x1