if nA=20 ,nB=30 nAUB=40 Find nAnB
Answers
Answered by
8
Answer:
have a great day
if it's helpful for you then give me thanks
Attachments:
Answered by
1
Answer:
10
Step-by-step explanation:
Given that,
n(A) = 20, n(B) = 30, n(AUB) = 40, n(AnB) =?
Wkt,
n(AUB) = n(A) +n(B) - n(AnB)
40 = 20 + 30 - n(AnB)
n(AnB) = 50 - 40
n(AnB) = 10
Hope it helps you.....
Plz mark this answer as a brainliest
Similar questions