Question

if A and B are two disjoint sets and n(A) =10 and n(B) =8 find the n(AUB) and n(AnB)​

Answer 1

Answer:

Full answer is in explanation.

Step-by-step explanation:

n(A⋂B) = 0 becauseA and B both are disjoint

n(A⋃B) = n(A) + n(B) − n(A⋂B)

n(A⋃B)= 10 + 8 − 0

n(A⋃B )= 18