Question

if A and B are overlapping set then n (AUB) equals​

Answer 1

Answer:

(A U B)= n(A)+ n(B)- n(A intersection B).

Step-by-step explanation:

Since they both are disjoint sets and have no elements in common the number of elements in the union set will be the sum of the number of elements in A and number of elements in B. using formula it can be explained as follows: n(A U B)= n(A)+ n(B)- n(A intersection B).

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