SOLUTION: 1) Evaluate.
s21 for 23+20+17+14+...
enter only the sum.
2) Evaluate.
13
Σ 12k-62
k=3
3) Find the sum of the series.
13
Σ k
k=1
4) Find the sum of the
Algebra ->
Sequences-and-series
-> SOLUTION: 1) Evaluate.
s21 for 23+20+17+14+...
enter only the sum.
2) Evaluate.
13
Σ 12k-62
k=3
3) Find the sum of the series.
13
Σ k
k=1
4) Find the sum of the
Log On
Question 1085602: 1) Evaluate.
s21 for 23+20+17+14+...
enter only the sum.
2) Evaluate.
13
Σ 12k-62
k=3
3) Find the sum of the series.
13
Σ k
k=1
4) Find the sum of the series.
6
Σ k^2
k=1
5) Expand the series and evaluate.
7
Σ -3(2)^k-1
k=1
6) Expand the series and evaluate.
8
Σ (-1)^k(4k-5)
k=5
enter only the sum.
7) Evaluate.
s26 for -31+(-27)+(-23)+(-19)+...
enter only the sum.
8) Evaluate.
9
Σ 3k+4
k=1
enter only the sum.
9) Evaluate.
s5 for 2500+2000+1600+1280+...
10) Evaluate.
7
Σ 1/16(4)^k+1
k=1
enter only the sum.