$$f ( x ) = \frac { \left( x ^ { 2 } + 5 \right) ( 2 x ) } { \sqrt [ 4 ] { x ^ { 3 } } } , \quad x > 0$$ Which one of the following is equal to $f ^ { \prime } ( x )$ ?
& E & 2 & B
$$f ( x ) = \frac { \left( x ^ { 2 } + 5 \right) ( 2 x ) } { \sqrt [ 4 ] { x ^ { 3 } } } , \quad x > 0$$
Which one of the following is equal to $f ^ { \prime } ( x )$ ?