Question

If n(A) = 32, n(B) = 21 and n (An B) = 7, Find: n(A u B) ​

Answer 1

Answer:

The answer to this question is 46

Step-by-step explanation:

We know that,

n(A∪B) = n(A) + n(B) - n(A∩B)

or,n(A∪B) = 32+21-7

or,n(A∪B) = 46