Question

If A and B are two sets such that n(A) = 100, n(B) = 150 and n(A  B) = 50. Find the following values :
(i) n(A U B)
(ii) n(A – B)​

Answer 1

Answer:

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

given n(A)=7

n(B)=9

n(AuB)= 14

substitute in 1

24=7+9-n(AnB)

n(AnB)=16-14=2

Step-by-step explanation:

I hope you understand