Question

Write the number of elements of{ null set, 0,{1,null set}} also find n[p(a)]

Answer 1

Answer:

Well.....

Mate your answer is here

P{A} is the power set of A

No. Of elements in P{A} is given by 2^n.

Since A is null set, therefore, no. Of elements in A. n=a

Therefore no. Of P{A}

=2^n

=2^0

=1

Hence there is 1 element in P{A}