化简二次根式：根号下a方-(a/b)方 (a>0,b
打错了 b＜-1
人气：260 ℃ 时间：2019-10-14 02:31:58
解答
√[a²-（a/b)²]=√[(a²b²-a²)/b²]
=√[a²(b²-1)/b²]
=|a/b|√(b²-1)
=-a√(b²-1)/b懂了谢谢
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