## 3

## Quadratic Equation

This chapter will enable you to learn the concepts and application of:

Quadratic equitation

Advance application

##### INTRODUCTION

p(x) = *ax*^{2} + bx + c = 0; *a* ≠ 0, *a, b, c* ∈ *R* is said to be a quadratic equation or second degree equation.

##### SOLUTION SET OF QUADRATIC EQUATION

Here b^{2} − 4ac = Δ (Discrimination function)

Here α and β are the ts of the equation.

##### NATURE OF THE ROOTS OF QUADRATIC EQUATION

- Δ > 0 then roots are rational and unequal
- Δ = 0 then roots are rational and equal
- Δ < 0 then roots are ...