设a大于0b大于0.a+b=1,求:1/a+1/b+1/ab大于等于8

设a大于0b大于0.a+b=1,求:1/a+1/b+1/ab大于等于8
设a大于0b大于0.a+b=1,求:1/a+1/b+1/ab大于等于8

设a大于0b大于0.a+b=1,求:1/a+1/b+1/ab大于等于8
有些问题需要思考哦

1/a+1/b+1/ab大于等于8
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