Question: cues Ion , Part1 of2 Homework. Section @ Points: Find the curve's unit tangent vector. Also, nd the length of the indicated portion of the

cues Ion , Part1 of2 Homework. Section @ Points: Find the curve's unit tangent vector. Also, nd the length of the indicated portion of the curve. 2 r(t)_=10ti+[-]t3l2k, 0St521 . The curve's unit tangent vector is (Di + (D)j+ (ED k. I (Type exact answers, using radicals as needed.)

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