MathematicsEasy110×since 2002Q3847The domain of the function f(x)=1[x]2−3[x]−10f(x)=\frac{1}{\sqrt{[x]^{2}-3[x]-10}}f(x)=[x]2−3[x]−101 is : ( where [x][\mathrm{x}][x] denotes the greatest integer less than or equal to xxx )A(−∞,−2)∪[6,∞)(-\infty,-2) \cup[6, \infty)(−∞,−2)∪[6,∞)B(−∞,−3]∪[6,∞)(-\infty,-3] \cup[6, \infty)(−∞,−3]∪[6,∞)C(−∞,−2)∪(5,∞)(-\infty,-2) \cup(5, \infty)(−∞,−2)∪(5,∞)D(−∞,−3]∪(5,∞)(-\infty,-3] \cup(5, \infty)(−∞,−3]∪(5,∞)Check answerSkip