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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 C.
उत्तर
C = Set of digits used in 135, = {1,3,5}
∴ Subsets are = { }
or φ, {1}, {3}, {5}, {1,3}, {1,5}, {2,5} and {1, 3, 5}
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