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यदि A={1,2,3},B={3,4} तथा C={4,5,6} तीन समुच्चय हो, तो `A cup (B cup C)` को लिखिए ।

Answer» यहाँ `(B cup C)={3,4,5,6}`
`A cup (B cup C)={1,2,3} cup {3,4,5,6}`
={1,2,3,4,5,6}


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