Find the domain of the real function `f(x)` defined by `f(x)=sqrt((1-|x|)/(2-|x|)).`

Options

A. `[-1,1]uu(-oo,-2)uu(2,oo)`
B. `[-1,1]uu(2,oo)`
C. `(-oo,-2)uu(2,oo)`
D. none of these

Answer

A