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Question
Find the symmetric difference between the following sets
R = {l, m, n, o, p} and S = {j, l, n, q}
Solution
R = {l, m, n, o, p}
S = {j, l, n, q}
R – S = {l, m, n, o, p} – {j, l, n, q}
= {m, o, p}
S – R = {j, l, n, q} – {l, m, n, o, p}
= {j, q}
R ∆ S = (R – S) ∪ (S – R)
= {m, o, p} ∪ {j, q}
= {m, o, p, j, q}
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