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Find the Unit Tangent Vector to the Curve Given Below r(t)=6ti+4t2j,t=4\mathbf { r } ( t ) = - 6 t \mathbf { i } + 4 t ^ { 2 } \mathbf { j } , t = 4

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Find the unit tangent vector to the curve given below at the specified point. r(t) =6ti+4t2j,t=4\mathbf { r } ( t ) = - 6 t \mathbf { i } + 4 t ^ { 2 } \mathbf { j } , t = 4


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