If $\mathbf { r } ( t ) = \left\langle t , t ^ { 9 } , t ^ { 11 } \right\rangle$

If
$\mathbf { r } ( t ) = \left\langle t , t ^ { 9 } , t ^ { 11 } \right\rangle$ , find $\mathbf { r } ^ { \prime \prime } ( t )$ .

A) $\left\langle 0,110 t ^ { 9 } , 72 t ^ { 7 } \right\rangle$
B) $\left\langle 0,72 t ^ { 6 } , 110 t ^ { 8 } \right\rangle$
C) $\left\langle0,72 t ^ { 7 } , 110 t ^ { 9 } \right\rangle$
D) $\left\langle0,110 t ^ { 8 } , 72 t ^ { 6 } \right\rangle$
E) $\left\langle 1,9 t ^ { 6 } , 11 t ^ { 8 } \right\rangle$

Correct Answer:

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