Ex 2.1, 1 - Which of the following are polynomials in one - Ex 2.1




  1. Chapter 2 Class 9 Polynomials (Term 2)
  2. Serial order wise


Ex 2.1, 1 Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer. (i) 4๐‘ฅ2 โ€“ 3๐‘ฅ + 7 4๐‘ฅ2 โ€“ 3๐‘ฅ + 7 = 4๐‘ฅ2 โ€“ 3๐‘ฅ1 + 7 ๐‘ฅ0 Here power of equation is 2,1 and 0. Since all powers are whole number, it is a polynomial Now since there is only one variable x, it is polynomial in one variable Yes, this expression is a polynomial in one variable x.

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.