class 9 ex 2.1 q2 | ch 2 polynomials class 9 maths | ex 2.1 q2 class 9 maths | green board 9th

Описание: Class 9 Polynomials Ex 2.1 Q2 | Identify Polynomials | CBSE Maths
Welcome to this video on Class 9 Maths Chapter 2 – Polynomials, Exercise 2.1 Question 2!

🔍 In this video, we will identify whether a given expression is a polynomial or not. This is the very first question of Exercise 2.1 from the NCERT textbook and lays the foundation for understanding polynomials.

What you'll learn in this video:

✔️ What exactly is a polynomial?

✔️ Conditions that define a polynomial.

✔️ How to identify valid polynomial expressions.

✔️ Why exponents (powers) must be whole numbers (i.e., 0, 1, 2, …).

✔️ Which terms disqualify an expression from being a polynomial (like √x, x^(-1), etc.).

✔️ Step-by-step explanation of each part of Q1 with reasons and logic.

This video is perfect for:

Students who are new to polynomials.

Learners who want clear conceptual understanding with examples.

Anyone preparing for school exams or competitive tests.

📚 Based on the latest CBSE and NCERT syllabus for Class 9.
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