Let a, b, n be integers, with n > 0. Prove that a = b (mod n) if and only if a² +6² = 2ab (mod n²).
Let a, b, n be integers, with n > 0. Prove that a = b (mod n) if and only if a² +6² = 2ab (mod n²).
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Transcribed Image Text:3. Let a, b, n be integers, with n > 0. Prove that a = b (mod n) if and only if a² + b² = 2ab (mod n²).
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