bigmoney7275 bigmoney7275
  • 18-07-2019
  • Mathematics
contestada

What is the solution to log^2(9x) -log^2 3=3

What is the solution to log29x log2 33 class=

Respuesta :

tramserran
tramserran tramserran
  • 18-07-2019

Answer:  [tex]\bold{B)\quad x = \dfrac{8}{3}}[/tex]

Step-by-step explanation:

[tex]log_2(9x)-log_2(3)=3\\\\\\log_2\bigg(\dfrac{9x}{3}\bigg)=3\qquad\qquad \rightarrow \text{used rule for condensing logs}\\\\\\log_2(3x)=3\qquad\qquad \rightarrow \text{simplified}\\\\\\3x=2^3\qquad\qquad \rightarrow \text{used rule for eliminating log}\\\\\\3x=8\qquad\qquad \rightarrow \text{simplified}\\\\\\\large\boxed{x=\dfrac{8}{3}}[/tex]

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