Question

if n(A×B)=20 and n(A) =5 than n(B) is​

Answer 1

Answer:

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Step-by-step explanation:

5×b=20

b = 4

Answer 2

Answer:

ifn(A*B) and(A)=5 than n(B) is

Step-by-step explanation:

If A & B are two sets having 3 elements in common. If n(A) = 5, n(B) = 4, find n(A×B) & n [( A×B) ∩(B×A)] where n(A) means the number of elements in set A? Hope this will help help u