(a) Find the derivative of r(t) = (1 + t 3 )i + te t j +...
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(a) Find the derivative of r(t) = (1 + t3)i + te–tj + sin 2t k.
(b) Find the unit tangent vector at the point where t = 0.
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a According to Theorem 2 we differ...View the full answer
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