JEE Advance - Mathematics (1980 - No. 11)
Find all the real values of $$x,$$ for which $$y$$ takes real values.
$$(-1, 2) \cup (3, \infty)$$
$$(-\infty, -1] \cup [2, 3]$$
$$(-\infty, -1] \cup (2, 3]$$
$$(-\infty, -1] \cup (2, \infty)$$
$${[-1, 2) \cup [3, \infty)}$$