Mathematical formulas

Algebra

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Subjects
Algebra
Exponentials and logarithms
Change of basis

12. Exponentials and logarithms

Change of basis

Level: fundamental

In 12. Exponentials and logarithms

Formula

lo g_{b} x = \frac{lo g _{a} x}{lo g _{a} b}

Detail

Expresses a logarithm in any valid base.

Related formulas

Related
Definition of logarithm
$lo g_{b} x = y ⟺ b^{y} = x$
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