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Find the sum of all values of x such that log_3 (x - 1) = -1.

 May 17, 2021
 #1
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log ( x  -1)  =   -1

 

In  exponential form we  have  that

 

3^(-1)  =   x  -1

 

1/3  = x   -  1

 

1 + 1/3   = x  =    4/3

 

cool cool cool

 May 17, 2021

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