Answer to Question #25673 in Combinatorics | Number Theory for Sakura

Combinatorics | Number Theory

Question #25673

Prove by mathematical induction
1. 7|(3^(2n+1) + 2^(n+2))
2. 11|(8•10^(2n) + 6•10^(2n-1) + 9)
3. 2^( n)<n

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