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lhf earned this badge 4 times
nov 28 at 11:37
What's up with Plouffe's inverter? Is there an alternative?
oct 8 at 21:05
Direct proof that $\pi$ is not constructible
oct 3 at 19:59
Arc Length of Bézier Curves
jun 13 '11 at 2:56
Show the $R$-module $R$ is isomorphic to $Rb \times R(1-b)$ where $b$ is an idempotent of a commutative ring with unity

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