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Evaluate the Sum k=14(1)k(k+4)\sum _ { \mathrm { k } = 1 } ^ { 4 } ( - 1 ) ^ { \mathrm { k } } ( \mathrm { k } + 4 )

Question 57

Multiple Choice

Evaluate the sum. Round to two decimal places, if necessary.
- k=14(1) k(k+4) \sum _ { \mathrm { k } = 1 } ^ { 4 } ( - 1 ) ^ { \mathrm { k } } ( \mathrm { k } + 4 )


A) -26
B) 2
C) 26
D) 18

Correct Answer:

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