Change of Base Formula

Proposition (Change of Base Formula) If then



and is called the change of base formula.

Example (Change of Base Formula) Use the change of base to evaluate

    Solution. We have,

Example (Change of Base Formula) Use the change of base formula to graph

    Solution. We use and we see that scales the graph and we have,

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Change Of Base Formula
Published by Library of Math -- Online math organized by subject into topics.
Written by Smith, David A.
http://www.libraryofmath.com/change-of-base-formula.html