Question

if nA=20 ,nB=30 nAUB=40 Find nAnB​

Answer 1

Answer:

have a great day

if it's helpful for you then give me thanks

Answer 2

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