Question

log(x-1)+log (x+1)=log1 to the base of 2..

Value of x...
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Answer 1

Answer:

X=1 or -1

Step-by-step explanation:

Log(x-1)+log(x+1)=log 1 to base 2

Log(x^2-1)=0

x^2-1=0

x^2=1

x=1 or -1