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प्रश्न
Find the symmetric difference between the following sets
X = {5, 6, 7} and Y = {5, 7, 9, 10}
उत्तर
X = {5, 6, 7}
Y = {5, 7, 9, 10}
X – Y = {5, 6, 7} – {5, 7, 9, 10} = {6}
Y – X = {5, 6, 9, 10} – {5, 6, 7}
= {9, 10}
X ∆ Y = (X – Y) ∪ (Y – X)
= {6} ∪ {9, 10}
= {6, 9, 10}
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