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If A={x,y} , B={2,3} and C={3,4} , then the number of elements in `Axx(BuuC)` are :A. 2B. 4C. 6D. 8 |
Answer» Correct Answer - C Let B={2,3} and C={3,4} Now, `BuuC={2,3,4}" consider "Axx(BuuC)` `={x,y}xx{2,3,4}` `={(x,2),(x,3),(x,4),(y,2),(y,3),(y,4)}` Hence, number of element in `Axx(BuuC)=6`. |
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