Question: Discrete math (Please Show all steps) 1.Suppose you are allowed to give either a direct proof or a proof by contraposition of the following:if 3

Discrete math

(Please Show all steps)

1.Suppose you are allowed to give either a direct proof or a proof by contraposition of the following:if 3n + 5is even, then n is odd. Which type of proof would be easier to give? Explain why and show the proof.

2.Prove: if m and n are even integers, then mn is a multiple of 4.

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