EllipseEasy
Question
If S and S′ are two foci of an ellipse 
= 1 (a < b) and P (x1, y1) a point on it, then SP + S′ P is equal to-
= 1 (a < b) and P (x1, y1) a point on it, then SP + S′ P is equal to-Options
A.2a
B.2b
C.a + ex1
D.b + ey1
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