Wednesday, January 12, 2011

Logarithms Part 2

The Three Laws of Logarithms are:




You can derive the first law listed by starting with something that you know...


then just multiply together...


Using The Key to Everything, you can again see that


The Change of Base formula:


Example:


(use the key to everything)


(take the log of both sides)


(use the 3 laws of logarithms to solve)














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