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Ex 1.3, 1 - Chapter 1 Class 11 Sets - Part 2

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Ex 1.3, 1 Make correct statements by filling in the symbols ⊂ or ⊄ in the blank spaces: (ii) {a, b, c} … {b, c, d} Since a is in set {a, b, c} but not {b, c, d} Set {b, c, d} does NOT have all the elements of set {a, b, c} So, {a, b, c} is not a subset of {b, c, d} ∴ {a, b, c} ⊄ {b, c, d} ⊂ - is a subset ⊄ - is not a subset A ⊂ B if all elements of A are in B

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