SOLUTION: 1) Expand​ the series and evaluate. 7 Σ -3(2)^k-1 k=1 enter only the sum. 2) Find the sum of the series. 13 Σ k k=1 3) Expand the series and evaluate.

Algebra ->  Sequences-and-series -> SOLUTION: 1) Expand​ the series and evaluate. 7 Σ -3(2)^k-1 k=1 enter only the sum. 2) Find the sum of the series. 13 Σ k k=1 3) Expand the series and evaluate.       Log On


   



Question 1085710: 1) Expand​ the series and evaluate.
7
Σ -3(2)^k-1
k=1
enter only the sum.
2) Find the sum of the series.
13
Σ k
k=1
3) Expand the series and evaluate.
8
Σ (-1)^k(4k-5)
k=5
enter only the sum.
4) Find the sum of the first six terms of the geometric series in which a3 is -18 and a6 is 486.
5) Evaluate. 
s5 for 2500+2000+1600+1280+...
6) Evaluate.
13
Σ 12k-62
k=3
7) Evaluate.
8
Σ 6(-2)^k
k=1
enter only the sum.
8) Evaluate.
9
Σ  3k+4
k+1
enter only the sum.
9) Determine which expressions can be used to show the following series in summation notation.
- 1/2 + - 1/4 +(- 1/6) + 1/8 +(- 1/10)
10) Evaluate. 
s21 for 23+20+17+14+...
enter only the sum.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Too much for 1 posting.
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don't try to kill the tutors.