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Ex1.3, 9 Classify the following numbers as rational or irrational: (i) 23 We cant write 23 as square of some number So 23 is not it a perfect square, Hence ,it is an irrational number. E

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Davneet Singh

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, Social Science, Physics, Chemistry, Computer Science at Teachoo.