How to Solve Polynomials related Problems from CBSE Class 9 Maths Book

How to Solve Polynomials related Problems from CBSE Class 9 Maths Book

Mathematics, a subject not of everyone’s taste, some may find it interesting some may find it difficult and boring. However, there is no escaping from it as it is one of the compulsory subjects till 10th standard. So, here is an article that contains solutions that will guide you in solving problems without wasting your time in figuring how to solve.

Exercise 2.1

  • Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer.
  1. 4x2–3x+7
  1. y2+√2
  1. 3√t+t√2
  1. y+2/y
  1. x10+y3+t50
  • Write the coefficients of x2 in each of the following:

  1. 2+x2+x
  1. 2–x2+x3
  1. x2+x
  1. √2x-1
  • Give one example each of a binomial of degree 35, and of a monomial of degree 100.
  • Write the degree of each of the following polynomials:
  1. 5x3+4x2+7x
  1. 4–y2
  1. 5t–√7
  1. 3

Classify the following as linear, quadratic and cubic polynomials:

  1. x2+x
  1. x–x3
  1. y+y2+4
  1. 1+x
  1. 3t
  1. r2
  1. 7x3

Solutions