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函数y=log0.5(x+1/x-1+10(x>1)的最大值
人气:246 ℃ 时间:2020-06-27 18:56:25
解答
(x+1)/(x-1)+1
=2x/(x-1)
=2+2/(x-1)
x>1,x-1>0
所以2+2/(x+1)>2=0.5^(-1)
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