Question

If n(A) = 7 , n(B) = 13 , n(A∩B) = 4 , then n(AᴜB) = ?​

Answer 1

Step-by-step explanation:

7+13 - 4 = 16

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Answer 2

Answer:

n(AUB) = 16

Step-by-step explanation:

n(AUB) = n(A) + n(B) - n(A∩B)

            = 7 + 13 - 4

Therefore, n(AUB) = 16