A polynomial of degree 1 can be 3x plus 2. A polynomial of degree 2 can be x square plus 5x plus 1. A polynomial of degree 3 can be 2x cube minus x plus 4.
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The degree of a polynomial depends on the highest power of the variable. A polynomial of degree 1 is called a linear polynomial, such as 3x plus 2. A polynomial of degree 2 is called a quadratic polynomial, such as x square plus 5x plus 1. A polynomial of degree 3 is called a cubic polynomial, such as 2x cube minus x plus 4. In each case, the highest power of x determines the degree of the polynomial.
For more NCERT Solutions for Class 9 Maths Ganita Manjari Chapter 2 Introduction to Linear Polynomials (2026-27):
https://www.tiwariacademy.com/ncert-solutions/class-9/maths/ganita-manjari-chapter-2/