If A = ∅, then the number of elements in P(A) is
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Choice (b) is correct. If A = ∅, ∅ is only subset of A = ∅. P(∅) = {∅} = P(A) has only one element.
This question related to Chapter 1 maths Class 11th NCERT. From the Chapter 1. Sets. Give answer according to your understanding.
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