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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 |
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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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