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anonymous
 4 years ago
Why does the addition sign change in 9^(n+2) when you convert it to 1/9^(n2)?
anonymous
 4 years ago
Why does the addition sign change in 9^(n+2) when you convert it to 1/9^(n2)?

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campbell_st
 4 years ago
Best ResponseYou've already chosen the best response.1there is now change \[9^{(n +2)} = \frac{1}{9^{n + 2}}\] for a proof \[\frac{1}{9^n} \times \frac{1}{9^2} = \frac{1}{9^{(n + 2)}} = 9^{(n + 2)}\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so what is happening in this step? http://tutorial.math.lamar.edu/Classes/CalcII/Series_Special_files/eq0020MP.gif

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0oh. wait i think i get it. nvm
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