18. Show that the function :RxR:-1<x< 1), defined by f(x) = x/ 1+|x|, c belongs to R is one - one and onto
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Show that function f: R ->{x in R : -1 < x < 1} defined by f(x)=x/(1+|x |), x in R is one one and onto function.I am giving you the answer so you subscribe me and like.
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