Question

If n (A) = 10, n (B) = 12 and a (ANB) = 6, then find a (AUB).​

Answer 1

Step-by-step explanation:

n(A) = 10

n(B) = 12

n(A n B) = 6

n(A U B) = n(A) + n(B) - n(AnB)

= 10 + 12 - 6

= 10 + 6

= 16