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I need help on this problem. How do I solve ln x + ln6x = 8 ? without a calculator ?
 one year ago
 one year ago
I need help on this problem. How do I solve ln x + ln6x = 8 ? without a calculator ?
 one year ago
 one year ago

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DirectrixBest ResponseYou've already chosen the best response.1
ln x + ln6x = 8 ln(x*(6x)) = 8 > Sum of logs is log of product ln(6x^2) = 8 e^8 = 6 x^2 > Definition of log e^8/6 = x^2 x^2 = (e^8)/6 x = (e^4) / Sqrt (6) > Square root of both sides
 one year ago

TombrokawBest ResponseYou've already chosen the best response.0
hmmm and that would be the final answer ?
 one year ago

DirectrixBest ResponseYou've already chosen the best response.1
x = (e^4) / Sqrt (6) is the exact answer. You can approximate for e and Sqrt(6) if that is what you mean.
 one year ago
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