Last updated at Aug. 25, 2021 by Teachoo

Transcript

Ex 2.1, 1 Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer. (i) 4๐ฅ2 โ 3๐ฅ + 7 4๐ฅ2 โ 3๐ฅ + 7 = 4๐ฅ2 โ 3๐ฅ1 + 7 ๐ฅ0 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.

Ex 2.1

Ex 2.1, 1 (i)
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Ex 2.1, 1 (ii)

Ex 2.1, 1 (iii) Important

Ex 2.1, 1 (iv)

Ex 2.1, 1 (v) Important

Ex 2.1, 2 (i)

Ex 2.1, 2 (ii)

Ex 2.1, 2 (iii)

Ex 2.1, 2 (iv)

Ex 2.1, 3

Ex 2.1, 4 (i) Important

Ex 2.1, 4 (ii)

Ex 2.1, 4 (iii)

Ex 2.1, 4 (iv) Important

Ex 2.1, 5 (i)

Ex 2.1, 5 (ii)

Ex 2.1, 5 (iii)

Ex 2.1, 5 (iv)

Ex 2.1, 5 (v)

Ex 2.1, 5 (vi)

Ex 2.1, 5 (vii)

About the Author

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.