Q2: Let n e Z. Prove that 3 | (2n² + 1) if and only if 3 n. (8 points)

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Q2: Let n e Z. Prove that 3 | (2n² + 1) if and only if 3 n. (8 points)

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Q2 Let N E Z Prove That 3 2n 1 If And Only If 3 N 8 Points 1
Q2 Let N E Z Prove That 3 2n 1 If And Only If 3 N 8 Points 1 (5.58 KiB) Viewed 27 times
Q2: Let n e Z. Prove that 3 | (2n² + 1) if and only if 3 n. (8 points)
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