Let \([x]\) denote the greatest integer \(\leq x\), where \(x\in R\). If the domain of the real valued function \(f(x)=\…

Let \([x]\) denote the greatest integer \(\leq x\), where \(x\in R\). If the domain of the real valued function \(f(x)=\sqrt{\frac{|[x]|-2}{|[x]|-3}}\) is \((-\infty ,a)\cup [b,c)\cup [4,\infty ),a

[JEE Main 2021, 20 Jul (Shift 1)]