If a function in x is defined by f(x)=\frac{x}{x^{2}+1}, x \in R then f(1 / x)=

Sets, Relations and Functions

Question : 28 of 65

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If a function in

x

is defined by

f(x)=\;{x}/{x^{2}+1}, x ∈ R

then

f(1 / x)=

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