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[" 10.Let "f:W rarr W" be defined as "f(...

[" 10.Let "f:W rarr W" be defined as "f(n)={[n-1," if "n" is odd "],[n+1" if "n" is even "]" .Show that "f" is invertible and find inverse of "f" ."],[" Here,"W" is the set of all whole numbers."]

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