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in Mathematics by (64.1k points)
The co-ordinates of a focus of an ellipse is (4,0) and its eccentricity is `(4)/(5)` Its equation is :
A. `25x^(2)+9y^(2)=225`
B. `9x^(2)+25y^(2)=225`
C. `16x^(2)+25y^(2)=400`
D. `25x^(2)+16y^(2)=400`.

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