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If X= {a , b , c , d}and Y= {f, b , d , ...

If `X= {a , b , c , d}`and `Y= {f, b , d , g}`, find (i) `X-Y` (ii) `Y-X` (iii) `X nnY`

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`X= {a , b , c , d}`
`Y= {f, b , d , g}`
(i) `X-Y`=`{a, c}`
(ii) `Y-X` =`{f, g}`
...
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