Example 3 - Chapter 1 Class 11 Sets

Last updated at April 16, 2024 by

Example 3 - Write A = {1, 4, 9, 16, 25, ...} in set-builder

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Example 3 Write the set A = {1, 4, 9, 16, 25, . . . } in set-builder form. A = {1, 4, 9, 16, 25, . . . } A = {12, 22, 32, 42, 52, . . . } Here, 1, 2, 3, 4, 5 are all natural numbers and 1, 4, 9, 16, 25 are their squares Hence, we may write the set A as A = {x : x is the square of a natural number} or A = {x : x = n2, where n ∈ N}

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo