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Find the equation of the ellipse whose v...

Find the equation of the ellipse whose vertices are `(+-13 ,0)`and foci are `(+-5,0)`.

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Vertices = `(+-13 ,0)`and foci are `(+-5,0)`.
let the equation of ellipse is `x^2/(a^2)+y^2/(b^2)=1`......(1)
clearly `a=13`
focus=`5=ae`=>`a^2e^2=25`
...
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