Question

n{P{P(P(A))}}= 4 prove that​

Answer 1

No. of elements in A is 0.

Hence n(P(A))=2

0

=1

P(A) has 1 element.

Hence n(P(P(A)))=2

1

=2

P(P(A)) has 2 elements.

Hence n(P(P(P(A))))=2

2

=4

Mark as brainlest pls