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OpenStudy (anonymous):
TOPIC: Indices and logarithms. Simplify 3^n+2 - 5(3^n) - 6 (3^n-1)
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OpenStudy (anonymous):
Hi :3
OpenStudy (anonymous):
5*3^n
OpenStudy (callisto):
I assume your question is like this 3^(n+2) - 5(3^n) - 6 [3^(n-1)] Then, 3^(n+2) - 5(3^n) - 6 [3^(n-1)] = (3^2)3^(n) - 5(3^n) - 6(3^-1) 3^(n) = 9(3^n) - 5(3^n) - 2(3^n) =2(3^n)
OpenStudy (anonymous):
thanks, you're a big helper.
OpenStudy (callisto):
welcome :) but i'm not a 'big' helper, I'm just a mini one :)
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OpenStudy (anonymous):
ahah, okay
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