Find the vertices and the foci of the given ellipse.
+ 
= 1
A. V: (-5, 0), (5, 0);
F: (-3, 0), (3, 0)
B. V: (0, -5), (0, 5);
F: (0, -4), (0, 4)
C. V: (-5, 0), (5, 0);
F: (-4, 0), (4, 0)
D. V: (0, -5), (0, 5);
F: (0, -3), (0, 3)
Answer: C
Mathematics
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, r = 3n/2
B. a1 = 
, r = 3
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, r = 
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