Math, asked by deepika1613, 1 year ago

please answer fast!!!!

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Answered by vyshnavireddy

1

Answer:

Step-by-step explanation:

n(A U B) = n(A) + n(B) - n(A ∩ B)

51 = 20+44 - n(A ∩ B)

51 = 64 - n(A ∩ B)

n(A ∩ B) = 64-51

n(A ∩ B) = 13

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