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== * [...)
 
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==See Also==
 
==See Also==
  
* [[2005 Alabama ARML TST Problems]]
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{{ARML box|year=2005|state=Alabama|num-b=6|num-a=8}}
* [[2005 Alabama ARML TST Problems/Problem 6|Previous Problem]]
 
* [[2005 Alabama ARML TST Problems/Problem 8|Next Problem]]
 

Revision as of 11:42, 11 December 2007

Problem

Find the sum of the infinite series:

$3+\frac{11}4+\frac 94 + \cdots + \frac{n^2+2n+3}{2^n}+\cdots$.

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
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