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(x^2) + (y^2) = 16 & (4x^2) + (y^2) = 23
 Mar 18, 2012
 #1
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[input]solve( (x^2) + (y^2) = 16 , (4x^2) + (y^2) = 23 )[/input]
 Mar 18, 2012

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