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Which of the following is the eccentricity for an ellipse?

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Which of the following is the eccentricity for an ellipse?

(a) 1

(b) 3/2

(c) 2/3

(d) 5/2

I had been asked this question in my homework.

Origin of the question is Construction of Ellipse topic in chapter Geometrical Construction of Engineering Drawing

1 Answer

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Correct option is (c) 2/3

For explanation: The eccentricity for ellipse is always less than 1. The eccentricity is always 1 for any parabola. The eccentricity is always 0 for a circle. The eccentricity for a hyperbola is always greater than 1.

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