f(1-2x)=(1-x²)/x²(x≠0),求f(1/2)
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/15 19:53:29
x)K{PרN[0BMׇ3;*u.0
<֡o$Sf~
l L4
@fe U$Ac<ٽl.X:^
16PlĝH[r
f(1-2x)=(1-x²)/x²(x≠0),求f(1/2)
f(1-2x)=(1-x²)/x²(x≠0),求f(1/2)
f(1-2x)=(1-x²)/x²(x≠0),求f(1/2)
1-2x= 1/2
x= 1/4
f(1/2) = ( 1- (1/4)^2) /(1/4)^2
= 15
令1-2x=1/2
x=1/4
所以f(1/2)=[1-(1/4)²]/(1/4)²=15