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You have studied about the addition, subtraction, multiplication, division and
factorisation of algebraic expressions. In Class 9 Maths Chapter 2, you’ll learn about special algebraic expressions known as Polynomials and their terminology. You’ll also
learn about the types, functions, degrees, equations, formulae and examples of
polynomials. Moreover, you’ll also get familiar with terms such as monomial, binomial,
linear polynomial, quadratic polynomial and cubic polynomial, the remainder theorem
and factor theorem.
2.1 Introduction
2.2 Polynomials in One Variable
2.3 Zeroes of a Polynomial
2.4 Remainder Theorem
2.5 Factorisation of Polynomials
2.6 Algebraic Identities
2.7 Summary
Section 2.2 – This section explains about polynomials coefficient, zero polynomial,
degree of the polynomial etc. with figures, examples and step-by-step solutions.
Section 2.3 – Here you’ll learn about some of the most interesting observations about zeros of a polynomial. For example, A zero of a polynomial need not be 0 and every linear polynomial has one and only one zero. As referring to solved examples helps
students understand concepts better, several examples & solutions are provided to
explain the concepts thoroughly.
Section 2.4 – You are already aware of division and various terms related to division such as dividend, divisor, quotient and remainder. In this section, you’ll learn how
polynomials are divided and what remainder theorem is all about with examples and
set-by-step solutions.
Section 2.5 – In this section, you’ll learn about factorisation, factor theorem and how to factorise polynomials of degree 2 and 3, with examples & solutions. Moreover, you’ll
study the techniques of factorisation by splitting the middle term.
Section 2.6 – Here you’ll learn what algebraic identity is and the use of algebraic
identities to factorise algebraic expressions like polynomials.
All the concepts in this chapter are explained thoroughly with theorems & proofs,
examples & solutions. To know more about the NCERT Solutions for Class 9 Maths –
Chapter 2 Polynomials, you should explore the exercises below. You can also
download the NCERT Solutions for Class 9 Maths Chapter 2 PDF, solved by expert
Maths trainers.
Published on 2020-01-29 09:29:41 by arunima. Last Modified on 2020-01-29 09:29:41
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