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Let A={1,2,3,4,5,6} , B={3,4,6,7,9} and ...

Let `A={1,2,3,4,5,6} , B={3,4,6,7,9} and C=A uu B` , then number of elements in `CxxB` is

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2022-Question
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