A= { x/x ≤9, x∈n }
B={ y/3≤y≤7, and y is odd Number }
C={Z/1<Z <7, and Z is even Number}
Find that A-B∪C ?
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Answer:
A={1,2,3,4,5,67,8,9}
B={3,5,7}
C={2,4,6}
B U C ={1,2,3,4,5,6,7,8,9}
A - (B UC)={ }. null set
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