Question

Find the Domain:
Log3(x^2-1)

Answer 1

I got (-infinity,sqroot1)U(sqroot1,infinity)

Answer 2

it's just that x2-1 should be greater than 0,so it's not (-inf,1)U(1,inf) which means (-inf,inf) which is not the answer but look at it once again and you'll see what is not right!

Answer 3

x^2 - 1 > 0
so x^2 > 1
there
x belongs to
(-infinity , -1)U1,infinity

Answer 4

Yep!