Question: 1 . Le two parts!! ) a ) . If n 3 is even, then n is even t n be an integer. Prove that

1. Le two parts!!) a). If n3 is even, then n is even t n be an integer. Prove that n3 is only tf n even if and only if n is even (Chint: split the prove in b) If n is even, then If n3 is even

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