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Let f:RR rarr RR and g: RR rarr RR be t...

Let `f:RR rarr RR and g: RR rarr RR ` be two mapping defined by `f(x)=2x+1 and g(x)=x^(2)-2`, find (g o f) and (f o g).

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The correct Answer is:
`(g o f) (x)=4x^(2)+4x-1 and (f o g) (x)=2x^(2)-3`
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