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RD SHARMA Solutions for Class 10 Mathematics Chapter 2: Polynomials

This chapter explains in detail polynomials and their various types, namely, linear polynomial, quadratic polynomial and cubic polynomial, followed by the concept of the zeroes of a polynomial. Finally, a brief mention of the degrees of a polynomial helps the students understand the basic essence of this chapter.

A linear polynomial is a polynomial of degree 1. For example, 2x-3 is a linear polynomial. Similarly, a polynomial of degree 2 is called a quadratic polynomial, for example, 2x2-3x+2; and a polynomial with degree 3 is called a cubic polynomial. For example, x3-2x2+3x-4 is a cubic polynomial.

Chapter 2: Polynomials also talks about the geometrical meaning of the zeroes of a polynomial. This is done by explaining the concept of the zeroes of a polynomial with the help of graphs, as pictorial representations are often easier to grasp. The zeros of the polynomial mean the values of x for which the value of the polynomial converts to zero.

It then sheds light on the relationship between the roots of a polynomial and its coefficients. This is a direct method to find out the zeroes of a given polynomial based on its coefficients.

If α and β are the roots of a polynomial, ax2+bx+c, where a, b, c are real numbers with a≠0,

α + β = -b/a; αβ = c/a.

An important topic discussed in this chapter is the 'Division Algorithm for Polynomials. This Algorithm is similar to Euclid's Division Algorithm, which we encountered in the first chapter. It states that "if p(x) and g(x) are two given polynomials such that g(x)≠0, then we can find polynomials, q(x) and r(x) by the following-

P(x) = g(x) * q(x)+r(x)”.

Where, r(x)=0 or the degree of r(x)

The above-given method is also known as the remainder theorem

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Key features of Aakash Institute’s R.D. Sharma solutions for class 10 Maths, Chapter 2- Polynomials:

  • The solutions provided by the Aakash Institute are very detailed, with specific explanations to understand the steps involved.
  • The solutions are formulated keeping in mind the question pattern in exams and their weightage.
  • The solutions are prepared by pooling in experiences from well-trained officials working at Aakash Institute and are sufficient for the students to secure a perfect score.
  • The book's surplus questions are apart from the original NCERT textbook that helps the students understand various problems and concepts, and the RD Sharma Solutions provide the procedures to solve all these questions.
Also See
NCERT Solutions For Class 10 Maths Chapter 1 Real Numbers NCERT Solutions For Class 10 Maths Chapter 2 Polynomials NCERT Solutions For Class 10 Maths Chapter 3 Pair of Linear Equations in one Variable
NCERT Solutions For Class 10 Maths Chapter 4 Quadratic Equations NCERT Solutions For Class 10 Maths Chapter 5 Arithmetic Progressions NCERT Solutions For Class 10 Maths Chapter 6 Triangles Geometry
NCERT Solutions For Class 10 Maths Chapter 7 Coordinate Geometry NCERT Solutions For Class 10 Maths Chapter 8 Introduction to Trigonometry NCERT Solutions For Class 10 Maths Chapter 9 Some Applications of Trigonometry
NCERT Solutions For Class 10 Maths Chapter 10 Circles NCERT Solutions For Class 10 Maths Chapter 11 Constructions NCERT Solutions For Class 10 Maths Chapter 12 Areas Related to Circles
NCERT Solutions For Class 10 Maths Chapter 13 Surface Areas and Volume NCERT Solutions For Class 10 Maths Chapter 14 Statistics NCERT Solutions For Class 10 Maths Chapter 15 Probability
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