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lachae
lachae lachae
  • 25-04-2016
  • Mathematics
Answered

can someone explain this pleaae

can someone explain this pleaae class=

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brysen78
brysen78 brysen78
  • 25-04-2016

i think the answer is but i am not a 100% 
 5.41853992195

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nishantkhisty nishantkhisty
  • 25-04-2016

note that when adding logs of the same base you multiply the insides of the log. Therefore:
㏒8(2)+log8(4x²)=log8(8x²)
log8(8x²)=1
8=8x²
x=√1, x=1,x=-1

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