Question: Differentiate the following function. r(t) = (7t,14qt, - NI - r'(t) = 7+3 14tfFor the following parameterized curve, nd the unit tangent vector. rit} =






Differentiate the following function. r(t) = (7t,14qt, - NI - r'(t) = 7+3 14t\fFor the following parameterized curve, nd the unit tangent vector. rit} = {T cos (ti? sin {tj,2 cos {ti}. for [II stain; <: select the correct answer below and if necessary. ll in boxes within your choice.> [Type exact answers. using radicals as needed.) {:3 B. Since r'tt}={}. there is no tangent vector
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