Here are 2

Here are two sets: A:={{1,2},{1,4},{2,4}} and B:={{1,4},{1},{2},{4,2}}. How large is |A∩B|

Correct answer:

n =  2

Step-by-step explanation:

A={{1,2},{1,4},{2,4}} B={{1,4},{1},{2},{4,2}} AB= { {1,4}, {2,4}}  n=2



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