Evaluate the Factorial Expression $$\frac { n ( n + 9 ) ! } { ( n + 10 ) ! }$$

Multiple Choice

Evaluate the factorial expression.
- $$\frac { n ( n + 9 ) ! } { ( n + 10 ) ! }$$

A) $\frac { n } { 10 }$
B) $\frac { n } { n + 10 }$
C) $\frac { \mathrm { n } } { ( \mathrm { n } + 10 ) ! }$
D) $\frac { 1 } { n + 10 }$