1.Let S={1,2}S = \{1, 2\}S={1,2}. The number of ordered pairs (A,B)(A, B)(A,B) of subsets of SSS such that A⊆BA \subseteq BA⊆B or B⊆AB \subseteq AB⊆A is —a.444b.666c.999d.101010Login to continueOnly logged in users canattempt or see the solution.
