This question is exactly same as Theorem 1.3 , Chapter 1 NCERT

Please check the answer here  https://www.teachoo.com/20892/491/Theorem-10.4/category/Examples/

[Maths Sample Paper] Prove that √2 is an irrational number. - Class 10 - CBSE Class 10 Sample Paper for 2024 Boards - Maths Standard

 

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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 and Computer Science at Teachoo