SOLUTION: What is {{{x}}} in the equation {{{log(1/2,1/9)=log(2,x)^2}}}?

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Question 1112467: What is in the equation ?
Answer by ikleyn(52867)   (Show Source): You can put this solution on YOUR website!
.
Let me transform the left side step by step

 =  = .


So, the original equation is equivalent to


 = .


Which implies  9 = .


Which, in turn, implies  x = +/- 3.


Answer.  x = +/- 3.

Solved.

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On logarithms and their properties,  see the lessons
    - WHAT IS the logarithm
    - Properties of the logarithm
    - Change of Base Formula for logarithms
    - Solving logarithmic equations
    - Using logarithms to solve real world problems
in this site.

Also,  you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic "Logarithms".


Save the link to this online textbook together with its description

Free of charge online textbook in ALGEBRA-I
https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson

to your archive and use it when it is needed.


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