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

Show 7 divides 3^(2n+1) + 2^(n+2)

3. The attempt at a solution

Have proved base case K=1 and for the case k+1 I have got ot the point of trying to show 7 divides 9.3^(2k+1) + 2.2^(k+2).

Any pointers would be much appreciated. Thanks in advance

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# Homework Help: Induction - number theory

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