Question

if A = {1, 2, 3, 5, 7, 9, 11, 13}
B = {1, 2, 4, 6, 8, 12,13}. find
n (AUB) = n(A) + n(B) –n(AnB)​

Answer 1

Answer:

12

explanation

n(AuB)={1, 2, 3, 4, 5, 6,7, 8, 9, 11, 12, 13}