ddiaz243 ddiaz243
  • 05-11-2017
  • Mathematics
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What is the solution of log3x − 2 4096 = 3?

Respuesta :

Edufirst
Edufirst Edufirst
  • 05-11-2017
The equation to solve is:

[tex] log_{(3x-2)} 4096 = 3[/tex]

Applying logarithm properties that transforms into:

[tex] (3x-2)^{3} =4096[/tex]

That is expanded to:

[tex]27 x^{3} -5 x^{2} +36x-4104=0[/tex]

When you solve that equation you get one real solution, which is x = 6.

Answer: x = 6
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