Question

is n(AUB)=n(A)+n(B)? justify your answer? where A,B arevany two dis joints sets​

Answer 1

Step-by-step explanation:

this is only possible only if the two sets are disjoint so it is true

Answer 2

Answer:

no eqn is wrong

it's

n(AUB)=n(A)+n(B)-n(A intersection B)