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  • 24-05-2019
  • Mathematics
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5) In -x + In 8 = In 36

Properties of logarithms

Respuesta :

Hulkk Hulkk
  • 25-05-2019

Answer:

x = -4.5

Step-by-step explanation:

We shall be using the following property of logarithms;

[tex]lna+lnb=ln(a*b)[/tex]

Therefore, In -x + In 8 can be re-written as;

[tex]ln-x+ln8=ln(-8x)\\\\ln(-8x)=ln36\\\\-8x=36\\\\x=-4.5[/tex]

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