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Logs question and series (1 Viewer)

Thread starter enigma_1
Start date Dec 31, 2013

enigma_1

Miss Cricket

#1

How do you do b for finding what Tn is?

asianese

Σ

#2

$d = \log_a6 - \log_a18 = \log_a\left(\frac{6}{18}\right) = \log_a\left(\frac{1}{3}\right) = -\log_a3 \\ T_n = a+(n-1)d = \log_a54 + (n-1)\cdot -\log_a3 = \log_a54-(n-1)\cdot \log_a3.$

tashe

Active Member

#3

Someone's working hard today, on NYE...

Anyways, good work!

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