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Let m and n be two integers. Prove that 3mn is even if and only if m and n are of the
Chapter 3, Problem 6(choose chapter or problem)
QUESTION:
Let m and n be two integers. Prove that 3mn is even if and only if m and n are of the same parity.
Questions & Answers
QUESTION:
Let m and n be two integers. Prove that 3mn is even if and only if m and n are of the same parity.
ANSWER:Step 1 of 5
To prove the given property, we should prove that
1. If both and are odd, then is even.
2. If both and are even, then is even.
3. If is even and is odd, then is odd.
4. If is odd and is even, then is odd.