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Business Mathematics by Chirag Trivedi, Kashyap Trivedi

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3

Quadratic Equation

LEARNING OBJECTIVES

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

  • Quadratic equitation

  • Advance application

INTRODUCTION

p(x) = ax2 + bx + c = 0; a ≠ 0, a, b, cR is said to be a quadratic equation or second degree equation.

SOLUTION SET OF QUADRATIC EQUATION

 

images

 

Here b2 − 4ac = Δ (Discrimination function)

 

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Here α and β are the ts of the equation.

NATURE OF THE ROOTS OF QUADRATIC EQUATION
  1. Δ > 0 then roots are rational and unequal
  2. Δ = 0 then roots are rational and equal
  3. Δ < 0 then roots are ...

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