Example 28 - Show that set of letters needed to spell CATARACT - Equal sets

  1. Chapter 1 Class 11 Sets
  2. Serial order wise
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Example 28 Show that the set of letters needed to spell “ CATARACT ” and the set of letters needed to spell “ TRACT” are equal. Let X be the set of letter in “ CATARACT ”. ∴ X = {C, A, T, R} Let Y be the set of letters in “TRACT” ∴ Y = {T, R, A, C} Since, every element of X and Y are equal. Hence, X = Y

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.