dragondash2007 dragondash2007

01-10-2020
Mathematics

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find r^3+1/r^3 if r+1/r=sqrt2

Respuesta :

01-10-2020

Answer [tex]r=\frac{-1-\sqrt{-3} }{2} =\frac{-1-i\sqrt{-3} }{2}=-0.5000-0.8660i[/tex]

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