SOLUTION: okay so i have aquestion that reads: If Log(x+1)+log(x-1) = 5, then what expression is equal to 10 to the fith power?

SOLUTION: okay so i have aquestion that reads: If Log(x+1)+log(x-1) = 5, then what expression is equal to 10 to the fith power?

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Question 270092: okay so i have aquestion that reads:
If Log(x+1)+log(x-1) = 5, then what expression is equal to 10 to the fith power?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
log(x+1)+log(x-1)=5
10^log(x+1)+10^log(x-1)=10^5
(x+1)*(x-1)=100,000
x^2-1=100,000
x=sqrt(100,001)
.
Ed
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