The change of base property says that
[tex]\log _ba=\frac{\log _ca}{\log _cb}[/tex]
Therefore we will put c = e, that will transform it in a ln(x)
[tex]\log _336=\frac{\log_e36}{\log_e3}=\frac{\ln 36}{\ln 3}[/tex]
Final answer:
[tex]\log _336=\frac{\ln36}{\ln3}[/tex]
