Question

IF N(A) =8 n(B) = 3, N (AnB) = 2
find : AUB​

Answer 1

Step-by-step explanation:

N(A)=8

N(B)=3

N(AnB)=2

N(AuB)=n(A)+n(B)-n(AnB)

=8+3-2

=11-2

=9

Answer 2

n ( A) = 8

n (B )= 3

n anb =2

n aub =n A + n B - n anb

8+3-2

8-2

= 2