Rs Aggarwal Maths Book Class 9 Chapter 3 🎯 Safe

| Exercise | Focus Topic | Number of Questions | | :--- | :--- | :--- | | | Factorisation by taking common factors & grouping | ~30 | | 3B | Factorisation using identities (a² – b², (a±b)²) | ~35 | | 3C | Factorisation of trinomials (x² + bx + c) | ~40 | | 3D | Factorisation of trinomials (ax² + bx + c) by middle term split | ~35 | | 3E | Factorisation of sum/difference of cubes | ~20 | | 3F | Miscellaneous problems (MCQs) | ~25 |

This is the trickiest part of . Follow the middle-term splitting method: rs aggarwal maths book class 9 chapter 3