Question

Find the value of n {P [P (P (A)]} , if A = {2}.​

Answer 1

Answer:

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Step-by-step explanation:

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