Find the unit tangent vector T(t) at the point with the given value of the parameter t. r(t) = ⟨t2 − 3t, 1 + 4t, 1 3 t3 + 1 2 t2⟩, t = 4 T(4) =

Find the unit tangent vector T(t) at the point with the given value of the parameter t. r(t) = ⟨t2 − 3t, 1 + 4t, 1 3 t3 + 1 2 t2⟩, t = 4 T(4) =

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Find the unit tangent vector T ( t ) at the point with the given value of the parameter t .
r ( t ) = t 2 3 t , 1 + 4 t , 1 3 t 3 + 1 2 t 2 , t = 4 T ( 4 ) =

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