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Write down all possible subsets of `A ={4}`.

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Write down all possible subsets of `A ={4}`.
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All possible subsets of A are ` phi, {4}`.
`therefore P(A)={phi , {4}}`.
Here, `n(A) =1 and n[P(A)]=2 =2^1`.
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Write down all possible subsets of `phi`.
asked Nov 2, 2019 in Sets, Relations and Functions by SaurabhRaj (67.8k points)

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