Ex 1.4, 2 - Let A = {a, b}, B = {a, b, c}. Is A subset of B - Ex 1.4

  1. Chapter 1 Class 11 Sets
  2. Serial order wise
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Ex 1.4,2 Let A = {a, b}, B = {a, b, c}. Is A ⊂ B? What is A ∪ B? A = {a, b} B = {a, b, c} Every element of A is in B. So, A is a subset of B i.e. A ⊂ B. A ∪ B = {a, b} ∪ {a, b , c} = {a, b, c}

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