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https://vle.mathswatch.co.uk/images/questions/question1019.png

https://vle.mathswatch.co.uk/images/questions/question17370.png

 Jul 20, 2020
 #1
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Q  1019    answer is  B

Q 17370    Area is:   NOT (a U b)      Not sure of the notation used .....is that  ( A  U  B)'   ???

 Jul 20, 2020
edited by ElectricPavlov  Jul 20, 2020
edited by ElectricPavlov  Jul 20, 2020

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