Find the second derivative of the function.
-$$r = \left( \frac { 1 + 6 \theta } { 6 \theta } \right) ( 6 - \theta )$$
A) $\frac { d ^ { 2 } r } { d \theta ^ { 2 } } = - \frac { 2 } { \theta ^ { 3 } } - 1$
B) $\frac { d ^ { 2 } r } { d \theta ^ { 2 } } = \frac { 1 } { \theta } - \theta$
C) $\frac { d ^ { 2 } r } { d \theta ^ { 2 } } = - \frac { 1 } { \theta ^ { 2 } } - 1$
D) $\frac { \mathrm { d } ^ { 2 } \mathbf { r } } { \mathrm { d } \theta ^ { 2 } } = \frac { 2 } { \theta ^ { 3 } }$

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The Answer of Find the second derivative of the function.
-$$r = \left( \frac { 1 + 6 \theta } { 6 \theta } \right) ( 6 - \theta )$$
A) $\frac { d ^ { 2 } r } { d \theta ^ { 2 } } = - \frac { 2 } { \theta ^ { 3 } } - 1$
B) $\frac { d ^ { 2 } r } { d \theta ^ { 2 } } = \frac { 1 } { \theta } - \theta$
C) $\frac { d ^ { 2 } r } { d \theta ^ { 2 } } = - \frac { 1 } { \theta ^ { 2 } } - 1$
D) $\frac { \mathrm { d } ^ { 2 } \mathbf { r } } { \mathrm { d } \theta ^ { 2 } } = \frac { 2 } { \theta ^ { 3 } }$

Find the Second Derivative of the Function r=(1+6θ6θ)(6−θ)r = \left( \frac { 1 + 6 \theta } { 6 \theta } \right) ( 6 - \theta )r=(6θ1+6θ​)(6−θ)

Find the Second Derivative of the Function $r = \left( \frac { 1 + 6 \theta } { 6 \theta } \right) ( 6 - \theta )$