If n(U) = 50, n(A) = 27, n(B) = 19 and n(A ∪ B)' = 11, then n(A - B) is
A
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Answered by
1
Answer:
-8
Step-by-step explanation:
given n (u)= 50
n (a) = 27
n (b) = 19
n (aub)'= 11
then the formula is n (a_b) = n (aub) _ n (b)
= 11_19
= 8
Answered by
0
Answer:
I don't know
Step-by-step explanation:
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