Example 7 - Chapter 1 Class 9 Number Systems (Important Question)
Last updated at Dec. 13, 2024 by Teachoo
Chapter 1 Class 9 Number Systems
Ex 1.1,3
Important
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Class 9
Important Questions for Exam - Class 9
-
Chapter 1 Class 9 Number Systems
- Chapter 2 Class 9 Polynomials
- Chapter 3 Class 9 Coordinate Geometry
- Chapter 4 Class 9 Linear Equations in Two Variables
- Chapter 5 Class 9 Introduction to Euclid's Geometry
- Chapter 6 Class 9 Lines and Angles
- Chapter 7 Class 9 Triangles
- Chapter 8 Class 9 Quadrilaterals
- Chapter 9 Class 9 Areas of parallelograms and Triangles
- Chapter 10 Class 9 Circles
- Chapter 11 Class 9 Constructions
- Chapter 12 Class 9 Herons Formula
- Chapter 13 Class 9 Surface Areas and Volumes
- Chapter 14 Class 9 Statistics
- Chapter 15 Class 9 Probability
Transcript
Example 7 Show that 0.3333 = 0.3 can be expressed in the form / , where p and q are integers and q 0. Let x = 0.3333 .. Multiplying equation (1) with 10 10x = 10 (0.333 ) 10x = 3.333 Subtracting (2) from (1) i.e. (2) (1) 10x x = 3.3333 0.3333 9x = 3 x = 3/9 x = 1/3 Thus, 0.3333 = 1/3
