If a point moves in a plane in such a way that the sum of its distances from two fixed points is constant the curve so traced is called

If a point moves in a plane in such a way that the sum of its distance

1.	If a point moves in a plane in such a way that the sum of its distances from two fixed points is constant the curve so traced is called
A.	Ellipse
B.	Parabola
C.	Hyperbola
D.	None of these
Answer» B. Parabola

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If a point moves in a plane in such a way that the sum of its distances from two fixed points is constant the curve so traced is called

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