Question

If n(A) = 16 , n(B) = 18 , n(A intersection B) = 9 , find n(A U B )?
​

Answer 1

Answer:

your answer is n(a union b) is 34.

Answer 2

Answer:

Hope it helps!! Mark this answer as brainliest if u found it useful and follow me for quick and accurate answers...

Step-by-step explanation:

n(A∪B)=n(A)+n(B)−n(A∩B) −−−−−−− (1)

Given n(A)=16

n(B)=18

n(A∩B)=9

Putting values in equation 1

n(A∪B)=n(A)+n(B)−n(A∩B)

⇒n(A∪B)=16+18-9

⇒n(A∪B)=34-9

⇒n(A∪B)=25