..
Last edited by Xcel; Feb 12th 2008 at 12:08 PM.
Follow Math Help Forum on Facebook and Google+
Originally Posted by Xcel Ok I have to simplify this: 4 LOGb4 (4root X) ... If it was 1/4 it would just be LOGb4 (x), right? right Can someone tell me what how to simplify properly. You are supposed to know that $\displaystyle \sqrt[4]{x} = x^{\frac14}$ ...... and ...... $\displaystyle \log(a^b) = b \log(a)$ $\displaystyle 4 \cdot \log_4(\sqrt[4]{x}) = 4 \cdot \log_4(x^{\frac14}) = 4 \cdot \frac14 \cdot \log_4(x) = \log_4 (x)$
View Tag Cloud