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数学
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解关于x的不等式a(x-1)/(x-2)>1(a≠1)
人气:201 ℃ 时间:2020-04-08 02:18:49
解答
原方程可化为a(x-1)/(x-2)-1>0
[(a-1)x+2-a]/(x-2)>0
因此,若由(a-1)x+2-a=0,解得x=(a-2)/(a-1).;若由x-2=0,解得x=2.
于是,
若 a-1>0即a>1时:
(1)当(a-2)/(a-1)〉2时,解得0
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