Question

there are 2 sets each of 13 values
Set A = 1,2,3,4,5,6,7,8,9,10,11,12,13
Set B = 1,2,3,4,5,6,7,8,9,10,11,12,13
How many combinations are possible in this

Answer 1

Answer:

To denote the DIFFERENCE of A and be we write: A-B or B-A. A-B is the set of all elements that are in A but NOT in B, and B-A is the set of all elements that are in B but NOT in A. Notice that A-B is always a subset of A and B-A is always a subset of B.

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