Question

If n(A) = 5, n(B) = 6 and n(An B)= 3, then n((A-B) B) is​

Answer 1

Step-by-step explanation:

total sum =11

if 3 elements are common

while subtracting these 3 elements are not considered

n((A-B)=11-3=8

Answer 2

Step-by-step explanation:

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