Logarithms And Logarithmic Functions -

The mathematical relationship between an exponential form and a logarithmic form is:

by=x⟺logb(x)=yb to the y-th power equals x ⟺ log base b of x equals y (Base) : Must be positive and not equal to 1. (Argument) : Must be positive ( Logarithms and Logarithmic Functions

), as logarithms of zero or negative numbers are undefined in the real number system . 2. Essential Logarithmic Rules Logarithms and Logarithmic Functions