An exponential equation such as 5 x = 9 can be solved for its exact solution using

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An exponential equation such as 5x = 9 can be solved for its exact solution using the meaning of logarithm and the change-of-base theorem. Because x is the exponent to which 5 must be raised in order to obtain 9, the exact solution islog 9 log 5' In 9 logs 9, or or In 5


For each equation, give the exact solution in three forms similar to the forms above.

= 12

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College Algebra

ISBN: 978-0134697024

12th edition

Authors: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

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