If A={1, 2, 3, 4}, then the number of the subsets of A that contain the element 2 but not 3, is?a.24b.16c.8d.4
Question
Solution 1
The set A={1, 2, 3, 4} has 4 elements. We are looking for subsets that contain the element 2 but not 3.
This means we are essentially looking at a "new" set {1, 2, 4} of 3 elements (we've removed the 3 from consideration).
The number of subsets of a set with n elements is 2^n.
So, the number o Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
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Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.
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