If A = { 1,2,3,4,5 } and B = { 2,3,7,8 } find
i) (A ∩ B) x (B – A)
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Answer:
(A ∩ B
Step-by-step explanation:
- (A ∩ B)={2,3}
- (B – A)={1,4,5,7,8}
- (A ∩ B) x (B – A)={2,3}x{1,4,5,7,8} ={1,2,3,4,5,7,8}
- Therefore, (A ∩ B) x (B – A)=(A U B)
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