The set of all values of a for which \(\displaystyle\lim _{x \rightarrow a}([x-5] − [2x + 2]) = 0\), where [α] denotes the greatest integer less than or equal to α is equal to
1
[–7.5, –6.5)
2
[–7.5, –6.5]
3
(–7.5, – 6.5]
4
(–7.5, –6.5)
5
Question Not Attempted