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: 5


$$\kappa(s)= \sqrt{14}.$$

Work Step by Step

The curvature in arc length parametrization is given by $$\kappa(s)=\|\frac{dT}{ds}\|=\|T'(s)\|=\sqrt{1+4+9}=\sqrt{14}.$$
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