Prove that for all integers n, that n^2 is never equal to 5k+2 for some k integer.

Question

Hint: to get cases divide n by 5.

Asked by jake b #819881 on 9/17/2018 4:07 PM

Last updated by jill d #170087 on 9/17/2018 4:57 PM

Answered by jill d #170087 on 9/17/2018 4:57 PM

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