Let [x] denote the greatest integer ≤x, where x∈R. If the domain o – InterviewSolution

1.	Let [x] denote the greatest integer ≤x, where x∈R. If the domain of the real valued function f(x)=√\|[x]\|−2\|[x]\|−3 is (−∞,a)∪[b,c)∪[4,∞), a<b<c, then the value of a+b+c is
Answer» 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 $(- \infty, a) \cup [b, c) \cup [4, \infty),$ $a < b < c,$ then the value of $a + b + c$ is

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