Find the Derivative Of $f ( x ) = \cosh \left( \ln \left( x ^ { 3 } + 1 \right) \right)$

Multiple Choice

Find the derivative of $f ( x ) = \cosh \left( \ln \left( x ^ { 3 } + 1 \right) \right)$

A) $\frac { \sinh \left( \ln \left( x ^ { 3 } + 1 \right) \right) } { x ^ { 3 } + 1 }$
B) $\frac { 3 x ^ { 2 } \sinh \left( \ln \left( x ^ { 3 } + 1 \right) \right) } { x ^ { 3 } + 1 }$
C) $\frac { - \sinh \left( \ln \left( x ^ { 3 } + 1 \right) \right) } { x ^ { 3 } + 1 }$
D) $\sinh \left( \ln \left( x ^ { 3 } + 1 \right) \right)$