Here we have listed Class 9 maths chapter 2 exercise 2.1 solutions in PDF that is prepared by Kota’s top IITian’s Faculties by keeping Simplicity in mind.

If you want to score high in your class 9 Maths Exam then it is very important for you to have a good knowledge of all the important topics, so to learn and practice those topics you can use eSaral NCERT Solutions.

In this article, we have listed NCERT Solutions for Class 9 Maths chapter 2 Exercise 2.1 that you can download to start your preparations anytime.

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**Download The PDF of NCERT Solutions for Class 9 Maths chapter 2 Exercise 2.1 "Polynomials"**

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#### All Questions of Chapter 2 Exercise 2.1

Once you complete the chapter 2 then you can revise Ex. 2.1 by solving following questions

Q1. Which of the following expressions are polynomials in one variable and which are not ? State reason for your answer.

(i) $4 x^{2}-3 x+7$

(ii) $\mathrm{y}^{2}+\sqrt{2}$

(iii) $3 \sqrt{t}+t \sqrt{2}$

(iv) $y+\frac{2}{y}$

(v) $x^{10}+y^{3}+t^{50}$

Q2. Write the coefficient of $\mathrm{x}^{2}$ in each of the following :

(i) $2+x^{2}+x$

(ii) $2-x^{2}+x^{3}$

(iii) $\frac{\pi}{2} x^{2}+x$

(iv) $\sqrt{2}-1$

Q3. Give one example each of a binomial of degree 35 and of a monomial of degree 100.

Q4. Write the degree of each of the following polynomials :

(i) $5 x^{3}+4 x^{2}+7 x$

(ii) $4-y^{2}$

(iii) $5 \mathrm{t}-\sqrt{7}$

(iv) 3

Q5. Classify the following as linear, quadratic and cubic polynomials :

(i) $x^{2}+x$

(ii) $x-x^{3}$

(iii) $\mathrm{y}+\mathrm{y}^{2}+4$

(iv) $1+x$

(v) $3 \mathrm{t}$

(vi) $\mathrm{r}^{2}$

(vii) $7 \mathrm{x}^{2}$

Also Read,

Download Class 9 NCERT Maths Book Free

Download Class 9 NCERT Maths Exemplar Free

Download Complete Solutions for Class 9 chapter 2 PDF

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