Let f: \mathbb{R} \to \mathbb{R} be defined as f(x)=x-1 and g: \mathbb{R}-\{1,-1\} \to \mathbb{R} be defined as {\g}( {\x})= { {\x}^2}/{ {\x}^2-1}. Then the function fog is : [26-Jun-2022-Shift-2]

Correct Answer is : neither one-one nor onto

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