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यदि A={1,2,3}, B={2,3,4},C={1,3,5}, तो `A cup B, A cup C, (A cup B) cup C, (A cup B) cup (A cup C)` के मान ज्ञात करो

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


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