Chapter 3 Factorisation of Polynomials


About RS Aggarwal Solutions Class 9 Math’s Chapter 3 Factorization of Polynomials

The chapter "Factorization of Polynomials" in CBSE Class 9 Mathematics focuses on the process of expressing polynomials as a product of their factors. Factorization plays a crucial role in simplifying expressions, solving equations, and analyzing the behaviour of polynomial functions. Check out all the solutions of RS Aggarwal for class 9 Maths and to get the best Home tuition for class 9 Maths find the tutors. 

Here's a brief overview of the key topics covered in the Factorization of Polynomials chapter:

Introduction to Factorization: The chapter begins with an introduction to factorization, explaining its importance and applications in mathematics. Students understand the concept of factors and how they relate to the zeros of a polynomial.

Common Factorization: Students learn about the method of common factorization, which involves finding the greatest common factor (GCF) of the terms in a polynomial expression. They explore how to factor out the common factors from each term and write the polynomial as a product of its factors.

Factorization Using Identities: This section focuses on the factorization of algebraic expressions using identities. Students revise identities such as the difference of squares, the perfect square trinomial, and the sum and difference of cubes. They apply these identities to factorize quadratic trinomials and other polynomial expressions.

Factorization of Quadratic Trinomials: Students delve into the factorization of quadratic trinomials of the form ax² + bx + c. They learn various methods like splitting the middle term, the ac method, and trial and error to factorize quadratic expressions. They also explore special cases where the quadratic expression is a perfect square or the difference of squares.

Factorization of Polynomials with Common Binomial Factors: This section introduces the concept of common binomial factors in polynomial expressions. Students learn how to identify common binomial factors and factorize polynomials accordingly. They apply techniques like grouping and regrouping to factorize polynomial expressions.

Factorization of Quadratic Trinomials by Completing the Square: Students explore an alternative method to factorize quadratic trinomials by completing the square. They learn the process of converting a quadratic expression into a perfect square trinomial and then factoring it accordingly.

Factorization of Polynomials Using Factor Theorem: The chapter concludes with the application of the factor theorem to factorize polynomials. Students learn how to find the factors and zeros of a polynomial using the factor theorem. They apply the remainder theorem to determine whether a given linear expression is a factor of a polynomial.

Studying the Factorization of Polynomials chapter in Class 9 Mathematics equips students with essential skills in simplifying polynomial expressions and solving equations. It enhances their ability to analyze and manipulate algebraic expressions, paving the way for more advanced topics in algebra and calculus. Understanding factorization also helps students in real-life applications, such as finding the roots of equations and solving problems involving polynomial models.

Exercise of RS Aggarwal Class 9 Chapter 3 Factorization of Polynomials

Chapter 3 Exercise 3A

Chapter 3 Exercise 3B

Chapter 3 Exercise 3C

Chapter 3 Exercise 3D

Chapter 3 Exercise 3E

Chapter 3 Exercise 3F

Chapter 3 Exercise 3G

Chapter 3 Multiple Choice Questions (MCQs)

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