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Let: RtoR be defined by f(x)=x^2-(x^2)/(...

Let: `RtoR` be defined by `f(x)=x^2-(x^2)/(1+x^2)` for all `x inR`. Then

A

f is one-one but not onto mapping

B

f is onto but not one-one mapping

C

f is both one-one and onto.

D

f is neither one-one onto

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The correct Answer is:
D
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