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Recursion Formula

Do you guys know what the recursion formula for this series?

http://ourworld.cs.com/SuperSamuraiStar/math.bmp [Broken]
 
Last edited by a moderator:

Tide

Science Advisor
Homework Helper
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If

[tex]a_n = r^n[/tex]

then

[tex]a_{n+1} = r^{n+1} = r \times r^n = r a_n[/tex]

but you knew that! :-)
 

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