Question: Find the unit tangent vector T(t) at the point with the given value of the parameter t. r(t) = (t 2 - 2t, 1 +

Find the unit tangent vector T(t) at the point with the given value of the parameter t.

r(t) = (t2 - 2t, 1 + 3t, 1/3 t3 + 1/2t2) , t = 2

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