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Prove that \(5^{3^n} + 1\) is divisible by \(3^{n + 1}\) for all nonnegative integers n. 

 Jul 3, 2020
 #1
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You should try using induction.

 Jul 3, 2020
 #2
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wow I really wish I thought of that !!! thanks 

SpicyP  Jul 3, 2020

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