Use Factorial Notation
- $$a _ { n } = \frac { 4 ( n + 1 ) ! } { n ! }$$

Multiple Choice

Use Factorial Notation
- $$a _ { n } = \frac { 4 ( n + 1 ) ! } { n ! }$$

A) $8,12,16,20$
B) $8,6 , \frac { 8 } { 3 } , \frac { 5 } { 6 }$
C) $5,6,7,8$
D) $8,6 , \frac { 16 } { 3 } , 5$ Evaluate the factorial expression.