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math logarithm law. FirstLaw logAlogB logAB This law tells us how to add two logarithms together. This introductory math video tutorial explains the rules and properties of logarithms.
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2 Division inside the log can be turned into subtraction outside the log and vice versa. The logarithm of a product is the sum of the logarithms of the factors. Log a log a x log a y.
Since a logarithm is simply an exponent which is just being written down on the line we expect the logarithm laws to work the same as the rules for exponents and luckily they do.
For example 2 3 8. The first law is represented as. FirstLaw logAlogB logAB This law tells us how to add two logarithms together. Where x and y are positive and a.
