Ex 1.3, 3 (i) - Chapter 1 Class 9 Number Systems
Last updated at April 16, 2024 by Teachoo
Expressing decimal in p/q
Convert 2.333...Β to p/q form where p and q are integers and q β 0
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Chapter 1 Class 9 Number Systems
Concept wise
- Rational numbers - Definition
- Finding rational number between two numbers
- Irrational Numbers
- Simplifying real numbers
- Rationalising
- Laws of exponents
- Finding decimal expansion
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Expressing decimal in p/q
- Classifiying rational/irrational
- Finding irrational numbers b/w two numbers
- Real numbers on a number line
Transcript
Ex 1.3, 3 Express the following in the form π/π where p and q are integers and q β 0. 0.6 Μ Let x = 0.6 Μ = 0.6666β¦.. Multiplying equation (1) with 10 10x = 10 Γ (0.666β¦) 10x = 6.666β¦ Subtracting (2) from (1) i.e. (2) β (1) 10x β x = 6.6666β¦ β 0. 6666β¦ 9x = 6 x = 6/9 x = 2/3 Thus, 0.6 Μ = π/π
