4. Let n be a positive integer. (a) (5 points) Prove that n(n+1) is even by contradiction. (b) (5 points) Prove that n³

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4. Let n be a positive integer. (a) (5 points) Prove that n(n+1) is even by contradiction. (b) (5 points) Prove that n³

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4 Let N Be A Positive Integer A 5 Points Prove That N N 1 Is Even By Contradiction B 5 Points Prove That N 1
4 Let N Be A Positive Integer A 5 Points Prove That N N 1 Is Even By Contradiction B 5 Points Prove That N 1 (43.65 KiB) Viewed 9 times
4. Let n be a positive integer. (a) (5 points) Prove that n(n+1) is even by contradiction. (b) (5 points) Prove that n³ in any way you'd like.
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