• Basic Fundamentals of Mathematics 1. Addition, Subtraction, Multiplication and Division of Square root numbers 2. Square root numbers 3. Basic concept of roots 4. How to solve roots? 5. Addition of root numbers 6. Subtraction of root numbers 7. Multiplication of root numbers 8.Division of root numbers 9. Add, subtract, multiply and divide irrational numbers 10. sum of irrational numbers 11.Subtraction of irrational numbers 12. Multiplication of irrational numbers 13. Division of irrational numbers #class9numbersystem #class9thmathsncert #numbersystem #class9maths