Urči definiční obor funkce:
\( \large b:y = \ln \left( x^{2}-4x+x\right) \)
\( \large \left( x-2\right) ^{2} \geq 0 \)
\( \large \left( x-2\right) ^{2} \gt 0 \)
\( \large \left( x-2\right) ^{2} \lt 0 \)
\( \large \left( x+2\right) ^{2} \gt 0 \)