Polynomials Class - 9 Ex-2.1, Q1, Q2, Q3, Q4, Q5 Maths NCERT CBSE Board

Class-9th, Ex-2.1 (All Questions), Polynomials, Maths CBSE NCERT Book. Chapter-2, Class-9, EXERCISE 2.1 1. Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer. (i) 4x2 – 3x + 7 (ii) y2 + 2 (iii) 3 2 t t + (iv) y+ 2/y (v) x10 + y3 + t50 2. Write the coefficients of x2 in each of the following: (i) 2 + x2 + x (ii) 2 – x2 + x3 (iii) π/2 x2 + x (iv) 2 1 x − 3. Give one example each of a binomial of degree 35, and of a monomial of degree 100. 4. Write the degree of each of the following polynomials: (i) 5x3 + 4x2 + 7x (ii) 4 – y2 (iii) 5t – 7 (iv) 3 5. Classify the following as linear, quadratic and cubic polynomials: (i) x2 + x (ii) x – x3 (iii) y + y2 + 4 (iv) 1 + x (v) 3t (vi) r2 (vii) 7x If you like, you can consider donation through PhonePe - 8273007746 to bring even better videos for you people. 🔶Our Playlists for Class 9: 👉Chapter-1: Number Systems    • Class 9 Number Systems Chapter 1 :   👉Chapter-2: Polynomials    • Class 9 Polynomials Chapter 2 :   👉Chapter-5: Introduction to Euclid's Geometry    • Class 9 Introduction to Euclid's Geom...   👉Chapter-6: Lines and Angles    • Class 9 Lines And Angles Chapter 6:   👉Chapter- 7: Triangles    • Class 9 Triangles Chapter 7 :   👉Chapter-13: Surface Areas and Volumes    • Class 9 Surface Areas and Volumes Cha...   ➡️We are supposed to cover NCERT Book, RD Sharma, RS Agarwal, Previous Year's Papers, Most Repeated Questions in Exams, Sample Papers, AMU - Entrance Papers. ◾Deepak Rajoria (Maths Teacher) ◾Focus Classes #FocusClasses, #DeepakRajoria, #MathsWithDeepakRajoria, #Polynomials, #Class9, #Class9Maths YOUR QUERIES : Polynomials What is a Polynomial Zeroes of a polynomials Types of poly polynomials Monomial Binomial Trinomial Linear Polynomial Quadratic Polynomial Cubic Polynomial Long Division of polynomials Division Algorithm for polynomials How to find the value of a polynomial Coefficients in a polynomial Zero polynomial Degree of a polynomial What is Remainder Theorem What is Factor theorem