Learn All Concepts of Chapter 1 Class 9 - FREE. Check - Chapter 1 Class 9 Maths

Last updated at March 16, 2017 by Teachoo
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Ex1.3, 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 = 2/3 Ex1.3, 3 Express the following in the form π/π where p and q are integers and q β 0. (ii) 0.47 Μ Let x = 0.47 Μ = 0.47777β¦ Multiplying equation (1) with 10 10x = 10 Γ (0.47777 β¦) 10x = 4.7777β¦ Subtracting (2) from (1) i.e. (2) β (1) 10x β x = 4.7777β¦ β 0.47777β¦ 9x = 4.3000 x = 4.3/9 x = 43/90 Thus, 0.47 Μ = 43/90 Ex1.3, 3 Express the following in the form π/π where p and q are integers and q β 0. (iii) 0. (001) Μ Let x = 0.(001) Μ = 0.001001β¦ Multiplying equation (1) with 1000 1000x = 1000 Γ (0.001001β¦) 1000x = 1.001001β¦ Subtracting (2) from (1) i.e. (2) β (1) 1000x β x = 1.001001β¦ β 0.001001β¦ 999x = 1 x = 1/999 x = 1/999 Thus, 0.(001) Μ = 1/999
Expressing decimal in p/q
Convert 0.123333Β .. to p/q form where p and q are integers and q β 0
Convert 0.575757..Β to p/q form where p and q are integers and q β 0
Convert 2.4(178)..Β to p/q form where p and q are integers and q β 0
Expressing numbers in p/q form
Example 6
Example 7 Important
Ex 1.3,3 Important You are here
Ex 1.3,4
Example 8
Example 9 Important
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