Find the unit tangent vector T(t) at the given point on the curve. r(t) = ⟨t3 + 1, 6t − 9, 4/t⟩ (2, −3, 4)

Find the unit tangent vector T(t) at the given point on the curve. r(t) = ⟨t3 + 1, 6t − 9, 4/t⟩ (2, −3, 4)

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Find the unit tangent vector T ( t ) at the given point on the curve.
r ( t ) = t 3 + 1 , 6 t 9 , 4 t
( 2 , 3 , 4 )

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