# Ex 1.1, 1 - Class 9

Last updated at May 29, 2018 by Teachoo

Last updated at May 29, 2018 by Teachoo

Transcript

Ex 1.1, 1 Is zero a rational number ? Can you write it in the form 𝑝𝑞, where p and q are integers and q ≠ 0 . Yes, 0 is a rational number. 0 = 01 0 = 0−1 0 = 02 … etc Hence, it can be written in 𝑝𝑞 from where q ≠ 0.

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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.