COMPLETE MATHEMATICS
FORMULA BOOK
Board Exam 2026 Edition
, 1. Algebra – Quadratic Equations
• Standard Form: ax² + bx + c = 0
• Discriminant: D = b² − 4ac
• Roots: x = (−b ± √D) / 2a
Solved Example:
If D > 0 → Real and distinct roots
If D = 0 → Equal roots
If D < 0 → Imaginary roots