Let . Prove that for , as .

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- Sep 10th 2009, 07:53 AMmathman88Big O
Let . Prove that for , as .

- Sep 11th 2009, 06:52 AMWalter Von Mondale
Observe your sum is bounded above by the integral of 1 \x^k from M to N-1, which you can easily evaluate directly obtaining two terms bounded by C/M^(k-1) as needed.