SOLUTION: Please show work. Solve the equation f(x)=1 or √(x^2-1)=1

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Question 1021200: Please show work.
Solve the equation
f(x)=1 or √(x^2-1)=1
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt%28x%5E2-1%29+=+1
Square both sides
x%5E2+-+1+=+1
x%5E2+=+2
----
x+=+sqrt%282%29
x+=+-sqrt%282%29