Question: Prove that if k is an integer and k +5k +2k+ 5 is odd, then k is odd using a. proof by contraposition b. proof

Prove that if k is an integer and k +5k +2k+

Prove that if k is an integer and k +5k +2k+ 5 is odd, then k is odd using a. proof by contraposition b. proof by contradiction

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