solve for x : log(x-1)+log(x+1)=logbase1
Answers
Answered by
2
Answer:
x=√2
logm+logn=logmn
Step-by-step explanation:
log(x-1)+log(x+1)=log1
log(x-1)(x+1)=log1
log(x^2-1)=log1
(x^2-1)=1
x^2=1+1
x^2=2
x=√2
Answered by
8
Answer:
Step-by-step explanation:
log(x-1)+log(x+1)=log1
log(x-1)(x+1)=log1
log(x^2-1)=log1
(x^2-1)=1
x^2=1+1
x^2=2
x=√2
Similar questions