If A and B are two sets such that n(A ∪ B) = 60, n(A) = 32, and n(B) = 40.
How many elements does A ∩ B have?
Answers
Answered by
2
Heya
WE KNOW THAT
n( A ¥ B ) = n(A) + n(B) - n(A π B )
WHERE ¥ is union and π is intersection.
n(A π B) = 32 + 40 - 60
n(A π B ) = 12
So, number of elements in A π B is 12
Have a nice time
WE KNOW THAT
n( A ¥ B ) = n(A) + n(B) - n(A π B )
WHERE ¥ is union and π is intersection.
n(A π B) = 32 + 40 - 60
n(A π B ) = 12
So, number of elements in A π B is 12
Have a nice time
Similar questions