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If fa n dg are two distinct linear funct...

If `fa n dg` are two distinct linear functions defined on `R` such that they map `{-1,1]` onto `[0,2]` and `h : R-{-1,0,1}vecR` defined by `h(x)=(f(x))/(g(x)),` then show that `|h(h(x))+h(h(1/x))|> 2.`

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