let U be the universal set for sets A and B if n( a) =200,n(b)=300 and n(alet you be the universal set for sets A and B if a is equals to 200 and b is equal to 310 half a union b is equal 200 then a dash intersection b dash is equals to 300 provided that nWelcome to Gboard clipboard, any text that you copy will be saved here.Tap
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Answer:
n(A′∩B′)=n(A∩B)′
= n(U)−n(A∪B) = 700 - {200+300 -100} = 300
=300
Explanation:
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