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- Feb 14, 2012

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$\displaystyle \int_0^1 \sqrt{1+(\cos y)^2} dy>\sqrt{x^2+(\sin x)^2}$

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- Thread starter
- Admin
- #1

- Feb 14, 2012

- 3,802

$\displaystyle \int_0^1 \sqrt{1+(\cos y)^2} dy>\sqrt{x^2+(\sin x)^2}$

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- #2

- Feb 14, 2012

- 3,802