Let u = (3i - 4j) /5 and v = (4i + 3j)/5 and suppose that at

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Let u = (3i - 4j) /5 and v = (4i + 3j)/5 and suppose that at some point P, Du( = -6 and Dv( = -6 and Dv( = 17.
(a) Find (( at P.
(b) ((((((2 = (du()2 + (Dv()2 in part (a). Show that this relation always holds if u and v are perpendicular.

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Calculus

ISBN: 978-0131429246

9th edition

Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon

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Question Posted: Jun 21, 2016 11:10 AM

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Let u = (3i - 4j) /5 and v = (4i + 3j)/5 and suppose that at

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a So 3f x 4 f y 30 So 4f x 3f y 85 The simultaneous solution is b Without loss of g...View the full answer

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