UPSC CDS Math Set Theory Questions
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If X = {a, {b),c},
Y= {{a}, b,c} and
Z = {a,b,{c}},then (X∩Y)∩Z equals to
Y= {{a}, b,c} and
Z = {a,b,{c}},then (X∩Y)∩Z equals to
[2019 CDS-II]
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