Aadesh
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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.

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NCERT Solutions for Class 9 Maths Chapter 1
Important NCERT Questions
Number Systems
NCERT Books for Session 2022-2023
CBSE Board and UP Board Others state Board
EXERCISE 1.3
Page No:14
Questions No:4

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2 Answers

  1. Get Hindi Medium and English Medium NCERT Solution for Class 9 Maths to download.
    Please follow the link to visit website for first and second term exams solutions.
    https://www.tiwariacademy.com/ncert-solutions/class-9/maths/chapter-1/

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  2. 0.99999…
    Let x = 0.99999 … …(i)
    Multiplying equation (i) by 10 both sides
    ⇒ 10x = 9.99999…
    ⇒ 10x = 9 + 0.99999… …
    ⇒ 10x = 9 + x [From equation (i)]
    ⇒ 10x – x = 9
    ⇒ 9x = 9
    ⇒ x = 9/9 = 1
    The answer makes sense as 0.99999… is very close to 1, that is why we can say that 0.99999 = 1.

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