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alober

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7Â¥: Originally posted by alober at 2017-07-11 22:12:35
2^n = \int_{0}^{1}(1+1)^ndx \ge \int_{0}^{1}(1+\sin\frac{\pi x}{2})^ndx > \int_{0}^{1}(1+x)^ndx = \frac{2^{n+1}-1}{n+1}

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cooooldog

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7Â¥: Originally posted by alober at 2017-07-11 22:12:35
2^n = \int_{0}^{1}(1+1)^ndx \ge \int_{0}^{1}(1+\sin\frac{\pi x}{2})^ndx > \int_{0}^{1}(1+x)^ndx = \frac{2^{n+1}-1}{n+1}

2 \ge L \ge \sqrt{\frac{2^{n+1}-1}{n+1}} = 2...

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