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Grade 22 Precalculus
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Analytical Geometry in Two and Three Dimensions -Polar Equations of Conics
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Question: Which of the following could be the eccentricity of an ellipse?
A )
5
3
B )
3
2
C )
3
5
D ) 1
Steps to derive
1
Among the choices
3
5
is less than 1 and hence could be the eccentricity of an ellipse.
[Eccentricity
e
of an ellipse is always less than 1.]
Hence the right answer is Option C
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