已知关于x的方程2x/(x-1)+a/(x-1)=1的解是适合(根号2-根号3)x≤0
则a的范围是
人气：483 ℃ 时间：2019-11-21 19:44:44
解答
2x/(x-1)+a/(x-1)=1
2x+a=(x-1)
x=-a-1 a=-x-1
(√2-√3)x≦0
x≧0 -x≦0
a=-x-1≦-1
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