Math, asked by rifa1723, 21 days ago

answer last question pls urgent

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Answered by shubhamugale2005

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Answer:

If A {5, 7, 8, 9}, B = {3, 4, 5, 6} , then n(A) + n(B) - n(A ∩ B)

a. 5

b. 4

c. 7

d. 6

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