ster3snaSellfem ster3snaSellfem

20-02-2017
Mathematics

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Prove that if m and n are integers and mn is even, then m is even or n is even.

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crisforp crisforp

20-02-2017

We suppose that m and n are odd (m and n are integers);
Then m x n will became odd;
False, because m x n is even;
Finally, m is even or n is even.

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