Let A = {1,2,3,4,5,6,7}. Find the number of all ordered pairs (X, Y) of subsets X and Y of A
such that
A = X ∪ Y.

Question

02-10-2022
Mathematics

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Let A = {1,2,3,4,5,6,7}. Find the number of all ordered pairs (X, Y) of subsets X and Y of A
such that
A = X ∪ Y.

Sagot :

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