Question

If n(A)= m then n[P(A)]=___.
A) m
B) 1​

Answer 1

explanation:

If n(A) = 2

N(p(A) = 22=4

[Use the formula n(p(A)=2n,wheren=numberofelementsinthesetA]

Answer 2

Given: n(A)=m

we know that n[P(A)]=2ⁿ (where n is the number of elements of A)

∴ n[P(A)]= $2^m$