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数学
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y=loga(x^2-2x+2)有最大值0,解关于x的不等式:a的2x方+1小于a的2+x方+a的x-2方.
人气:218 ℃ 时间:2020-04-13 14:15:39
解答
x^2-2x+2=(x-1)^2+1最小值为1
又因为原函数有最大值,所以0
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