chanced1683 chanced1683

05-06-2018
Mathematics

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Write an equation of the ellipse with foci (+-4,0) and co-vertices at (0,+-2) .

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05-06-2018

Hi,
c=4, b=2, a²=b²+c²==> a=2√5

[tex] \dfrac{x^2}{20} + \dfrac{y^2}{4} =1 [/tex]

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