Question

If A={2,3,{4}} , then number of elements in P(A) is equal to:

Answer 1

Answer:

A={2,3,{4}} , then number of elements in P(A) is equal to:

Answer 2

Answer: A×A={(1,1), (1,2), (1,3), (1,4), (2,1), (2,2), (2,3), (2,4), (3,1), (3,2), (3,3), (3,4), (4,1), (4,2), (4,3), (4,4)}