Question

Find n (A U B) if n(A) = 43 ,n ( B)= 51,and n ( A N B ) = 30

Answer 1

Answer:

formula is n(AUB)=n(A)+n(B)-n(A inverse u B)

Step-by-step explanation:

sbstitute values: n(A U B)= 43+51-30=64ans