The set A={a, {a}, {a,{a}}} Cardinality of A=( (a) ) {a,{a}} SA Ture or False?( (b) {a,{a}} E A Ture or False?( (c) ) What are correct answers for (a), (b), (c)? (a): 4, (b): False, (c): True O (a): 4. (b): True, (c): False (a): 4. (b): False, (c): False (a): 3, (b): True, (c): True (a): 4. (b): True, (c): True (a): 3, (b): False, (c): False (a): 3, (b): False, (c): True