If n(A)=10,n(B)=15,n(A∩B)=5n(A) = 10, n(B) = 15, n(A \cap B) = 5n(A)=10,n(B)=15,n(A∩B)=5, what is n(AΔB)n(A \Delta B)n(AΔB)?
151515
202020
252525
101010