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Let U be universal set of all the studen...

Let U be universal set of all the students of Class XI of a coeducational school and 'A' be the set of all girls in Class XI. Find A'

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Since A is the set of all girls, A. is clearly the set of all boys in the class. Now, we want to find the results for .(A uu B)^(prime). and .A^(prime) nn B^(prime). in the followng example.
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