Find the equation of the ellipse satisfying the given conditions. The center is at the origin.Vertex (5, 0), focus (4, 0)
A. 9x2 + 25y2 = 225
B. 9x2 - 25y2 = 9
C. 9x2 + 25y2 = 25
D. 25x2 + 9y2 = 225
Answer: A
Mathematics
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