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关于x的不等式IX-(a+1)^/2I
人气:310 ℃ 时间:2020-06-27 05:57:35
解答
|x-(a+1)²/2|≤(a-1)²/2 -(a-1)²/2≤x-(a+1)²/2≤(a-1)²/2 (a+1)²/2-(a-1)²/2≤x≤(a-1)²/2+(a+1)²/2 2a≤x≤a²+1 A=[2a,a²+1] x²-3(a+1)x+6a+2≤0 x&...
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