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If a set has m elements, the number of members of its power set is:
Am to the power 2
Bm to the power 3
C2 to the power m
D3 to the power m
Answer & Solution
Correct answer: C. 2 to the power m
1. Each element is either in a subset or not.
2. That is two choices per element.
3. The count is 2 to the power m.
_Source: NCERT Class 11 Mathematics, Chapter 1, Sets._
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