If u(t) = r(t) [r'(t) r(t)], show that u'(t) = r(t) [r'(t) r'(t)]
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If u(t) = r(t) · [r'(t) × r"(t)], show that
u'(t) = r(t) · [r'(t) × r"'(t)]
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Related Book For
Calculus Early Transcendentals
ISBN: 9781337613927
9th Edition
Authors: James Stewart, Daniel K. Clegg, Saleem Watson, Lothar Redlin
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