SOLUTION: 1) Evaluate the series 7 Σ K k=1 A. 19 B. 23 C. 28 D. 49 2) Evaluate the series 12 Σ k^2 k=1 A. 78 B. 213 C. 497 D. 650

Question 1085482: 1) Evaluate the series
7
Σ K
k=1
A. 19
B. 23
C. 28
D. 49
2) Evaluate the series
12
Σ k^2
k=1
A. 78
B. 213
C. 497
D. 650
Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!

1)   

Or you can use the formula with n = 7



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2)   



Or you can use the formula with n = 12



Edwin

RELATED QUESTIONS
1) Evaluate the series 5 Σ (3)(1/2)^k k=1 A. 93/32 B. 45/16 C. 23/8 D. 11/4 (answered by Boreal)

SOLUTION: 1) Evaluate the series 7 &#931; K k=1 A. 19 B. 23 C. 28 D. 49 2) Evaluate the series 12 &#931; k^2 k=1 A. 78 B. 213 C. 497 D. 650