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change formula logs. Therefore 3 is the logarithm of 8 to base 2 or 3 log 2 8. Then can be converted to the base b by the formula Lets verify this with a few examples.
Note that the answer will be between 1 and 2 because and and 7 is between 3 and 9. 1 For how to understand and evaluate BASIC LOGS skip to time 052. Ill plug them into the change-of-base formula using the natural log as my new-base log.
Log b c 1 log c b Logarithm change of base rule.
Expressed mathematically x is the logarithm of n to the base b if b x n in which case one writes x log b n. X log b-1 y b y. Scientifc Calculator With Log. More interesting facts.