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Let u be universal set of all the stude...

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^(prime)`.

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Universal set = All Boys + All girls
`A` = Set of all girls
`A^(prime)` = universal set - `A`
`therefore` `A^(prime)` = Set of all boys
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