On Thu, 2 Jun 2011, Mathieu Bouchard wrote:

Yes, the square root is an irrational number. However, you can rotate that square root in the complex plane, to get to (292+1210i), which is rational (and integer). The rotation angle is arctan(292/1210).

or rather, arctan(1210/292)...

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| Mathieu Bouchard ---- tél: +1.514.383.3801 ---- Villeray, Montréal, QC
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