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Let f: X to Y and g: Y to Z be two inve...

Let `f: X to Y and g: Y to Z` be two invertible functions. Then gof is also invertible with `(gof)^(-1) = f^(-1)og^(-1)`.

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The correct Answer is:
`(gof)o(f^(-1)og^(-1)) = I_(Z)`
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