Difference between revisions of "2005 Alabama ARML TST Problems/Problem 7"
(New page: ==Problem== Find the sum of the infinite series: <center><math>3+\frac{11}4+\frac 94 + \cdots + \frac{n^2+2n+3}{2^n}+\cdots</math>.</center> ==Solution== {{solution}} ==See Also== * [...) |
|||
| Line 9: | Line 9: | ||
==See Also== | ==See Also== | ||
| − | + | {{ARML box|year=2005|state=Alabama|num-b=6|num-a=8}} | |
| − | |||
| − | |||
Revision as of 12:42, 11 December 2007
Problem
Find the sum of the infinite series:
.Solution
This problem needs a solution. If you have a solution for it, please help us out by adding it.
See Also
| 2005 Alabama ARML TST (Problems) | ||
| Preceded by: Problem 6 |
Followed by: Problem 8 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 | ||
