Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 14 - Calculus of Vector-Valued Functions - 14.4 Curvature - Preliminary Questions - Page 734: 7



Work Step by Step

The radius of curvature is $\frac{1}{\kappa}$. Now since the curvature is $\kappa_p=9$, then the radius of curvature is equal to $\frac{1}{9}$.
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