Question

If A = {1, 2, 3, 4), B = (3,4,7,8), then find n(AUB).​

Answer 1

Answer:

6

Step-by-step explanation:

N(a)=4

N(b)=4

but here 2 are common so

$8 - 2 = 6$

Answer 2

Answer:

(AUB) = {1,2,3,4,7,8}

n (AUB) = 6