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

question 42

Multiple Choice

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

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

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