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Need help on sets

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i know but i cant work out any of those questions ! that one for example
 

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XPFMember

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these ones r simple!! see the part which is not shaded is AUB so u need the shaded ,so it will be the compliment of AUB !!
in the second case u can see AnB isn't shaded ...similarly when the rest is shaded compliment of AnB is the result!!
 
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