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Is a^n– b^n+ c^n+ d^n odd, if a, b, c, d, and n are distinct positive
Monday 1 August 2016, by
Is a^n b^n+ c^n+ d^n odd, if a, b, c, d, and n are distinct positive integers >1? 1. a, b, c and d are squares of consecutive prime numbers 2. a^4 divided by 200 has the quotient 1
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