Question

If n(A)=25, n(B)=20 ,n(anb) =?

Answer 1

Answer:

n(A,B) = 45.

Step-by-step explanation:

n(A)=25, n(B)=20 ,n(a,b) =?

n(A+B) = 25+20

n(A+B) = 45.

n(A,B) = 45.

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