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Transcript

Ex1.3, 2 You know that 1/7 = 0.(142857) ̅ = 0.142857142857…. . Can you predict what the decimal expansion 2/7 , 3/7 , 4/7 , 5/7 ,6/7 of are, without actually doing the long division? If so, how? [Hint: Study the remainders while finding the value of 1/7 carefully.] Thus, 1/7 = 0.(142857) ̅ 2/7 = 0.(285714) ̅ 3/7 = 0.(428571) ̅ 4/7 = 0.(571428) ̅ 5/7 = 0.(714285) ̅ & 6/7 = 0.(857142) ̅ .

  1. Chapter 1 Class 9 Number Systems
  2. Serial order wise

About the Author

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