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  • Find the number of subsets and proper subsets of the following set: A = {1, 2, 3, 4, 5, 9, 12, 14}

Find the number of subsets and proper subsets of the following set: A = {1, 2, 3, 4, 5, 9, 12, 14}

Answers (1)

If n is the number of elements in a set then the number of subsets is 2n and the number of proper subsets is 2n-1

Here the given set has 8 elements 

Therefore  the number of subsets of A is 2n=28=256

The number of proper subsets is 2n-1 = 128-1=255

 

Posted by

Safeer PP

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