Number System chapter 1 can study by students of class 9. These definitiona and formulas of Class 9 Maths Chapter 1: Number System is developed and witten by our expert teachers. Maths formulas. Number System is prepapred and collected from varius resources to help the students.
Number System
Natural number (N) 1,2,3,4,5,………………….
Whole number (W) 0,1,2,3,4……………………
Integers (Z) ………….-3,-2,-1,0,1,2,3………
Rational number 2/3 ,5/10 , 0.001 , 0.6666 or .444444444…………….
Real number all rational number, v2, 1/v5
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