basic mathematics formula for 10th standard
If D < 0, roots are complex conjugates. Roots of quadratic equations: x = (-b ± √D) / 2a Algebraic Identities (a + b)² = a² + 2ab + b² (a - b)² = a² - 2ab + b² a² - b² = (a + b)(a - b) (a + b)(a - b) = a² - b² (a + b + c)² = a² + b² +