1. ## Logarithm

Sent from my iPhone using Tapatalk

2. ## Re: Logarithm

Originally Posted by Ema453

Sent from my iPhone using Tapatalk
I'm afraid you can't. The rule is log(ab) = log(a) + log(b). But your is not in this form... There is no expression for log(a + b).

-Dan

3. ## Re: Logarithm

$\log_5(5^3+5^2) = \log_5(5^2(5+1)) = \log_5 (5^2)+\log_5(6) = 2+\log_5(6)$

That's the best I can do.