Difference between revisions of "2005 Alabama ARML TST Problems/Problem 7"

Revision as of 11:45, 11 December 2007

Find the sum of the infinite series:

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

This problem needs a solution. If you have a solution for it, please help us out by adding it.

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	{{ARML box\|year=2005\|state=Alabama\|num-b=6\|num-a=8}}		{{ARML box\|year=2005\|state=Alabama\|num-b=6\|num-a=8}}
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		+	[[Category:Intermediate Algebra Problems]]