Suppose X is a set of size n. How many pairs of sets (A,B) exist such that, A ⊆ B ⊆ X .
Suppose X is a set of size n. How many pairs of sets (A,B) exist such that, A ⊆ B ⊆ X . Correct Answer <p>3<em><sup>n</sup></em></p>
nC0x20 + nC1x21 + nC2x22 + . . . + nCnx2n = 3n
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Feb 20, 2025