If A = {1, 2, 3, 4, 5}, then the number of proper subsets of A is 120 30 31 32
Question
If A = {1, 2, 3, 4, 5}, then the number of proper subsets of A is 120 30 31 32
Solution
The number of proper subsets of a set is calculated by the formula 2^n - 1, where n is the number of elements in the set.
In this case, the set A = {1, 2, 3, 4, 5} has 5 elements.
So, the number of proper subsets of A is 2^5 - 1 = 32 - 1 = 31.
Therefore, the correct answer is 31.
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