Problem

Match the following :

Column I	Column II
(A) The maximum value attained by $y = 10 - x - 10$ , $-1 \le x \le 3$ is	(p) 3
(B) If $P(t^2, 2t)$ , $t \in [0, 2]$ is an arbitrary point on parabola $y^2 = 4x$ , $Q$ is foot of perpendicular from focus $S$ on the tangent at $P$ , then maximum area of $\Delta PQS$ is	(q) $\frac{1}{3}$
(C) If $a + b = 1$ , $a, b > 0$ , then maximum value of $\sqrt{\left(1 + \frac{1}{a}\right)\left(1 + \frac{1}{b}\right)}$ is	(r) 5
(D) For real values of $x$ , the greatest and least value of expression $\frac{x+2}{2x^2+3x+6}$ is	(s) $-\frac{1}{13}$