There are 7 Logarithm rules which are useful in expanding Logarithm, contracting Logarithms, and solving Logarithmic equations. In this article, we will discuss what is a Logarithm, Logarithms formulas, basic Logarithm formulas, change of base rule, Logarithms rules and formulas, what is Logarithm used for etc. Logarithms with base 10 are usually known as common or Briggsian Logarithms and are simply expressed as log n. For example, 4 3 = 64 hence 3 is the Logarithm of 64 to base 4, or 3 = log 4 64. Mathematically, Logarithms are expressed as, m is the Logarithm of n to the base b if b m = n, which can also be written as m = log b n. The Logarithm is an exponent or power to which a base must be raised to obtain a given number.
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