Question

A = {1, 3, 6, 10, 15}
B = {3, 6, 9, 12}
Find n(A∪B)

Answer 1

Answer:

1 +2 =3 , 3+2 =6 , 6+4=10, 10+5=15 first answer

Answer 2

Answer:

n(AUB)=7

Step-by-step explanation:

AUB={1,3,6,9,10,12,15}

n(AUB)=7