Answer
$0$, $\lt1$, $\gt1$
Work Step by Step
The eccentricity ($e=\frac{c}{a}$) equals to $0$ for a parabola, $e\lt1$ for an ellipse, and $e\gt1$ for a hyperbola.
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 9 - Analytic Geometry - Section 9.6 Polar Equations of Conics - 9.6 Assess Your Understanding - Page 704: 4
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