Math Help - domain

1. domain

Find the domain of f(x)=1/(x-2)^2 algebraically.
Anyone that can help me quick thanks!

2. $f(x) = \frac{1}{(x-2)^2}$

The denominator can't be 0.
$(x-2)^2=0$
$x=2$

The domain is $\mathbb{R} - \{2\}$.