The vector N can be computed using N = B T [Eq. (16)] with B, as

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The vector N can be computed using N = B × T [Eq. (16)] with B, as in Eq. (18). Use this method to find N in the following cases:

(a) r(t) = (cos t, t, t2) at t = 0
(b) r(t) = (t2, t−1, t) at t = 1

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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