f (1+1/x )=1+1/x 2+1的解析式
问题描述:
f (1+1/x )=1+1/x 2+1的解析式
答
设1+1/x =A ,x=1/(A-1)
f(A)=1+1/[1/(A-1)²]+1
=2+1/(A-1)²