Question

n(A)+n(B)-n(A∪B)=
If n( A)= x n( B)= y and n(A∩B)= z than n( AUB)=
If n(U)= 48, n( A)= 25, n(B) = 20 and n(A∩B)= 15 then n(AUB)=

Answer 1

Answer:

1,(A)+B=Ab this is the answer