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what is the equation in log. Note that the base in both the exponential form of the equation and the logarithmic form of the equation is b but that the x and y switch sides when you switch between the two equationsIf you can remember this that whatever had been the argument of the log becomes the equals and whatever had been the equals becomes the exponent in the exponential and vice versa then you should. The difference of two logarithms x and y is equal to the ratio of the logarithms.
216 63 the logarithmic form of this equation would be log6 216 3 the base of the log is 6. Log b x log a x log a b Identity rule. A logarithmic function however is given the form logb y x.
Note that the requirement that x 0 x 0 is really a result of the fact that we are also requiring b 0 b 0.
The b is written as a subscript. In this definition y logbx y log b x is called the logarithm form and by x b y x is called the exponential form. Let both sides be exponents of the base e. Log base10 of 3x2 2.