Two sets a and b are such that n(aub)=21,n(a'nb')=09,n(anb)=7, find n(anb)'
Answers
Answered by
3
Answer:
n(AnB) + n(AnB)' = 1
n(AnB)' = n(AuB) - 1 = 7-1 = 6
Answered by
1
Answer:
the ans is option b) 20
Step-by-step explanation:
Similar questions