Find the vertices and the foci of the given ellipse.81x2 + 64y2 = 5184

A. V: (-9, 0), (9, 0); 
F: (- , 0), (, 0)
B. V: (0, -9), (0, 9); 
F: (0, - ), (0, )
C. V: (0, -81), (0, 81); 
F: (0, -9), (0, 9)
D. V: (0, 81), (64, 0)
F: (0, 9), (8, 0)


Answer: B

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