# Theory of Equations

Subject: Mathematics    Exam: AP EAMCET Engineering

Chapter Rating: Do or Die (Most Important)

Topic Weightage: 0.04

## Important Concepts in Theory of Equations

Find notes, videos, important points and questions to practice on each of these concepts.

• Introduction

• Roots of an equation

• Coefficients and Roots of an Equation

• Nature of Roots

• Symmetric Functions

• Solution of equations

• Maximum and Minimum Value

• Factor Theorem

• Lagrange's Identity

• Inequalities

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## Important Points

If a, b, c are real numbers and a is not 0 then the roots are real and distinct if and only if D > 0. Roots are real and equal if D = 0 and the roots are complex with non-zero imaginary parts if D < 0.

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