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An ellipse has ___________ vertices and ____________ foci.(a) two, one(b) one, one(c) one, two(d) two, twoI got this question in semester exam.I'm obligated to ask this question of Conic Sections topic in section Conic Sections of Mathematics – Class 11

Answer» CORRECT choice is (d) TWO, two

Explanation: An ellipse has two vertices lying on each END and two foci lying INSIDE the ellipse.

If P is a point on ellipse and F1 and F2 are foci then |PF1+PF2| remains constant.


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