(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Prove that 2^n + 3^n is a multiple of 5 for all odd n that exist in the set of natural numbers.

2. Relevant equations

3. The attempt at a solution

Suppose the contrary perhaps and do a proof by contradiction? Perhaps induction?

edit: done, thank you. please look at second proof :)

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# Homework Help: Help with a Real Analysis Proof

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