Log base a of b is equal to log base x of b divided by log base x of a. Log 3 6 ln 6 ln 3 log_3 6 dfrac color red ln 6 color blue ln 3 log3. The argument is 6 and the base is 3.
Assume that x a and b are all positive.
Math Algebra 2 Logarithms The change of base formula for logarithms. Improve your math knowledge with free questions in Change of base formula and thousands of other math skills. The logarithmic change-of-base formula one of the logarithmic identities used frequently in algebra and calculus. Change of base rule.