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Operation on sets Venn Diagrams — MATHS STD 8 — Question

ICSE BoardEnglish MediumSTD 8MATHSOperation on sets Venn Diagrams1 Mark
Question
$A$ and $B$ are disjoint sets if and only if $A ∩ B = ………….$
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Answer

$A$ and $B$ are disjoint sets if and only if $A ∩ B = ϕ$

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