Question: Using the product rules for cross-products (r 1 x r 2 )' = r' 1 x r 2 + r 1 x r' 2 Find

Using the product rules for cross-products

(r1 x r2)' = r'1 x r2 + r1 x r'2

Find (u x u')', where u = 2, 2t, 1>.

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