Maths-
General
Easy
Question
If S and 
are two foci of an ellipse 
+
= 1 
and P 
a point on it, then SP + P is equal to-
+
= 1
–
= 1
+ = 1
- None of these
+ = 1
– = 1
+ = 1
The correct answer is: + = 1
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