#### Answer

$pole$, $eccentricity$.

#### Work Step by Step

With the four standard forms of the polar equations of conics, the focus is at the $pole$ and $e$ represents the conic's $eccentricity$.

Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

$pole$, $eccentricity$.

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