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3 years ago

Ignore my answers but help

Mathematics

1 answer:

yulyashka [42]3 years ago

8 0

Answer:

n(A) = 5 + 7 =12

n(B) = 7 + 3 = 10

n(A n B) = 7

n(A u B) = n(A) + n(B) - n(A n B)

5 + 3 - 7 = 1

n(A')=3

n(B')=5

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