Ex 1.3.jpg

Ex 1.3, 4.jpg

 

Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class


Transcript

Ex1.3, 4 Express 0.99999…in the form 𝑝/𝑞 . Are you surprised by your answer? With your teacher and classmates discuss why the answer makes sense. Let x = 0.9999….. Multiplying equation (1) with 10 10x = 10 × (0. 999…) 10x = 9. 999… Subtracting (2) from (1) i.e. (2) – (1) 10x – x = 9.9999… – 0.9999… 9x = 9 x = 9/9 x = 1 Thus, 0.9999… = 1

Ask a doubt
Davneet Singh's photo - Co-founder, Teachoo

Made by

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.