S is a set of integers such that
i) if a is in S, then тАУa is in S, and
ii) if each of a and b is in S, then ab is in S.
Is тАУ4 in S?
(1) 1 is in S.
(2) 2 is in S.
i honestly did not understand the problem, can some one help me here...
Note: Give me kudos if my approach is right , else help me understand where i am missing.. I want to bell the GMAT Cat
Satyameva Jayate - Truth alone triumphs