1.

If A and B are two sets such that n( AUB)= 17 and n(AnB)=5 find n(A) + n( B)​

Answer»

Answer:

2

Step-by-step EXPLANATION:

We KNOW,

We know,N(A∩B)=n(A)+n(B)−n(A∪B)

We know,n(A∩B)=n(A)+n(B)−n(A∪B)n(A∩B)=17+23−38=2



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