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प्रश्न
Given A = {a, c}, B = {p, q, r} and C = Set of digits used to form number 1351. Write the subset of set B.
उत्तर
B = {p, q, r)
∴ subsets are : { } or φ, {p}, {q}, {r}, {p, q}, ip, r}, {q, r} and {p, q, r}
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