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In mathematics, there are several logarithmic identities.
Contents
Algebraic identities or laws
Using simpler operations
Logarithms can be used to make calculations easier. For example, two numbers can be multiplied just by using a logarithm table and adding.
Where b, x, and y are positive real numbers and . Both c and d are real numbers.
Trivial identities
Note that is undefined because there is no number such that . In fact, there is a vertical asymptote on the graph of at x = 0.
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