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Old 04-21-2013, 07:11 AM
IsidroHidalgo IsidroHidalgo is offline
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Join Date: Apr 2013
Location: Toledo (Spain)
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Default Re: Concentric circles in Q10

But I finally don't have a clear idea of the center of our hypothesis here: is always x_1=0 and x_2=0 or not?
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