Express the Sum Using Summation Notation $$\sum _ { k = 2 } ^ { 5 } ( - 1 ) ^ { k + 1 } ( k - 1 ) ^ { 2 }$$

Multiple Choice

Express the sum using summation notation.
- $$\sum _ { k = 2 } ^ { 5 } ( - 1 ) ^ { k + 1 } ( k - 1 ) ^ { 2 }$$

A) 10
B) 950
C) $- 30$
D) 30