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If U={2,3,5,7,9} is the universal set an...

If `U={2,3,5,7,9}` is the universal set and `A={3,7},B={2,5,7,9},` then prove that: `(AuuB)^'=A^(prime)nnB '` (ii) `(AuuB)^'=A^(prime)uuB '`

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