Question

n(A) = 22, n(B) = 33, n(A ∩ B) = 13; the value of n(A ∪ B) = ? *​

Answer 1

n(A ∩ B) = 13

n(A) = 22

n(B) = 33

n(A ∪ B) = n(A) + n(B) - n(A ∩ B)

→ n(A ∪ B) = 22 + 33 - 13

→ n(A ∪ B) = 22 + 20

→ n(A ∪ B) = 42

Answer 2

Answer:

42 is the answer of this question....

Step-by-step explanation:

see above 42 is the answer