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Prove by induction that 14^n + 12^n −5^n is divisible by 7 for all n >0

Prove by induction that 14^n + 12^n −5^n is divisible by 7 for all n >0

Solutions

Expert Solution

The quantity Q will be an integer for any value of k. We can say anything is divisible by 7 if I can take out a common factor of 7 from the expression.

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