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If (+-4,0) and (+-5,0) be the foci and v...

If `(+-4,0)` and `(+-5,0)` be the foci and vertices of the ellipse, then its equation is :

A

`16x^2+25y^2=400`

B

`4x^2+5y^2=20`

C

`9x^2+25y^2=225`

D

`4x^2+25y^2=20`

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