1.

,Find n (A ∪ B) if n (A) = 43, n (B) = 51 and n (A ∩ B) = 30. *

Answer»

ANSWER:

, solution

if N of a is EQUAL to 43

and n of b is equal to 51 and

n of a intersection b is 30

then

n(AuB)=38



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