1. ## log question

Hello I have an exam tomorrow and dont understand how to do this question on logs

Simplify
$log2^3 + log2 -log 1/2$

could you please tell me how to do this step by step?

2. Originally Posted by wolfhound
Hello I have an exam tomorrow and dont understand how to do this question on logs

Simplify
$log2^3 + log2 -log 1/2$

could you please tell me how to do this step by step?
$log_k(a) + log_k(b) - log_k(c) = log_k \left(\frac{ab}{c}\right)$

3. Originally Posted by e^(i*pi)
$log_k(a) + log_k(b) - log_k(c) = log_k \left(\frac{ab}{c}\right)$
thanks but I dont understand that!