The cardinality of the power set of {x: x ∈ N, x ≤ 10} is?
- 2023
- 2048
- 1024
- None of these
Explanation
The set {x: x ∈ N, x ≤ 10} has 10 elements (1, 2, 3, 4, 5, 6, 7, 8, 9, 10).
The cardinality of the power set of a set with n elements is 2^n.
So, the cardinality of the power set is 2^10 = 1024.
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- 25
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- None of these
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- 10x = - 3
- 2x = - 27
- 2x = 27
- None of these
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- 1, 4, -21
- 1, 4, 21
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اس سوال کو وضاحت کے ساتھ پڑھیں
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