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If \(A=\{1,2,3,4,5\}\), then the number of proper subsets of \(A\) is
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Number of proper subsets of \(A=2^n-1\) Given: \(A=\{1,2,3,4,5\}\)
Here \(n=5\)
\(\therefore\) no. of proper subsets \(=2^5-1\)
Here \(n=5\)
\(\therefore\) no. of proper subsets \(=2^5-1\)
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