Question

If A = {1, 2, 3}, then n(P(A))
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Answer 1

Answer:

A = {1 , 2, 3}

So, the number of elements in set A , n(A) = 3

We know, P(A) = \bold{2^{n(A)}}2n(A)

So, P(A) = 2³ = 2 × 2 × 2 = 8

Hence, total number of elements in P(A) = 8

Those are {φ, {1},{2},{3},{1,2},{1,3},{2,3},{1,2,3}}

Answer 2

Step-by-step explanation:

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