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[函数] 最值问题

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word3000 Posted 2016-12-2 07:10 |Read mode

绝对值最值问题

绝对值最值问题

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敬畏数学 Posted 2016-12-2 10:48

Last edited by 敬畏数学 2016-12-2 10:57回复 1# word3000
可以设t=x+1，就变成陈题了，利用端点-1，-1/2，1/2，1的值。最小值为1/4.a=-13/4，b=-1/4.即可

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