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Ex 2.1, 1 (i) - Chapter 2 Class 9 Polynomials (Term 2)
Last updated at March 22, 2023 by Teachoo
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 Deleted for CBSE Board 2023 Exams
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)
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) 4𝑥2 – 3𝑥 + 7 4𝑥2 – 3𝑥 + 7 = 4𝑥2 – 3𝑥1 + 7 𝑥0 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.
