Use Summation Notation
- $$\sum _ { i = 9 } ^ { 12 } \frac { 1 } { i - 3 }$$

Multiple Choice

Use Summation Notation
- $$\sum _ { i = 9 } ^ { 12 } \frac { 1 } { i - 3 }$$

A) $\frac { 275 } { 504 }$
B) $\frac { 323 } { 660 }$
C) $- \frac { 820 } { 2187 }$
D) 30