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mathematical logarithm rules. 1 Multiplication inside the log can be turned into addition outside the log and vice versa. The logarithm of the multiplication of x and y is the sum of logarithm of x and logarithm of y.
2 Division inside the log can be turned into subtraction outside the log and vice versa. So log base 100 of 1 is going to be equal to 0. 1 Multiplication inside the log can be turned into addition outside the log and vice versa.
Log a a x x and a log a x x.
Log a a x x and a log a x x. Watch this video to know the three basic rules of logarithms. Just as with the product rule we can use the inverse property to derive the quotient rule. In mathematics the logarithm is the inverse function to exponentiation.