fun-lim

Question: If $f(x)={{x}^{2}}+1$,then $fof(x)$ is equal to



1) ${{x}^{2}}+1$
2) ${{x}^{2}}+2x+2$
3) ${{x}^{4}}+2{{x}^{2}}+2$
4) None of these
Solution: Explanation: No Explanation
Functions

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