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An ellipse has ___________ vertices and ____________ foci.

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An ellipse has ___________ vertices and ____________ foci.

(a) two, one

(b) one, one

(c) one, two

(d) two, two

I 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

1 Answer

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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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