已知0<x<=1⼀4,求函数f(x)=(x^2-2x+2)⼀x的最小值 求过程 谢谢

2024-12-26 10:14:53
推荐回答(4个)
回答1:

f(x)=x+2/x-2
则0所以最小值=f((1/4)=25/4

回答2:

f(x)=x+2/x-2
这是对号函数,在(0,√2】内单调递减
∴当x=1/4是取最小值f(1/4)=1/4+8-2=25/4
2/x是分数

回答3:

f(x)=x+2/x-2
这是对号函数,在(0,√2】内单调递减
∴当x=1/4是取最小值f(1/4)=1/4+8-2=25/4

回答4:

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