9.函数f(x)=1x−1+(x−2)0f(x)=\frac{1}{\sqrt{x-1}}+{(x-2)^0}f(x)=x−11+(x−2)0的定义域为 ___{x∣x>1\{x\vert x>1{x∣x>1[且]x≠2}x\ne 2\}x=2}___.