Find the unit tangent vector for the curve given by $\mathbf { r } ( t ) = \left\langle \frac { 1 } { 6 } t ^ { 6 } , \frac { 1 } { 3 } t ^ { 3 } , t \right\rangle$ .

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The Answer of Find the unit tangent vector for the curve given by $\mathbf { r } ( t ) = \left\langle \frac { 1 } { 6 } t ^ { 6 } , \frac { 1 } { 3 } t ^ { 3 } , t \right\rangle$ .

Find the Unit Tangent Vector for the Curve Given By \mathbf