设m>n>0,m²+n²=4mm,则m²-n²/mn的值等于
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![设m>n>0,m²+n²=4mm,则m²-n²/mn的值等于](/uploads/image/z/431826-42-6.jpg?t=%E8%AE%BEm%3En%3E0%2Cm%26%23178%3B%2Bn%26%23178%3B%3D4mm%2C%E5%88%99m%26%23178%3B-n%26%23178%3B%2Fmn%E7%9A%84%E5%80%BC%E7%AD%89%E4%BA%8E)
设m>n>0,m²+n²=4mm,则m²-n²/mn的值等于
设m>n>0,m²+n²=4mm,则m²-n²/mn的值等于
设m>n>0,m²+n²=4mm,则m²-n²/mn的值等于
m²+n²=4mm
得到(m+n)^2=6mn所以m+n=根号(6mn)
且(m-n)^2=2mn.所以m-n=根号(2mn)
m²-n²/mn=(m+n)(m-n)/mn=2mn根号3/mn=2根号3
2倍的根号3