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fwizbang
 2 years ago
Best ResponseYou've already chosen the best response.1For n=2, 7^2 + 10 =59 < 64 so its true for n=2. Assume 7^n + 10 <8^n for some n>=2. Then 8(7^n+10) <8^(n+1) (7+1)(7^n+10) < 8^(n+1) 7^(n+1)+ 7^n +70 + 10 < 8^(n+1) 7^(n+1) +10 < 8^(n+1) 7^n 70 < 8^(n+1) So if the statement is true for n, its true for n+1, By induction, its true for all n>=2.
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