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Example 14 - Chapter 1 Class 9 Number Systems
Last updated at April 16, 2024 by Teachoo
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
- Expressing decimal in p/q
- Classifiying rational/irrational
- Finding irrational numbers b/w two numbers
- Real numbers on a number line
Transcript
Example 15 Divide 8 √15 by 2 √3 . Since both numbers have root We divide integers separately, and roots separately Let's check the video as well (8√15)/(2√3) = 8/2 × √15/√3 = 8/2 × √(5 × 3)/√3 = 4 × (√5 " ×" √3)/√3 = 4 × √5 = 4 √5
