9th mathematics NCERT exercise questions with answers, Mathematics

Polynomial – Exercise 2.1 – Class IX

Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer. (i) 4x2 – 3x + 7 (ii) y2 + √2 (iii) 3√t + t√2 (iv) y + 2/y (v)x10 +y3 +  t50 Solution: (i)Polynomial in one variable, x (ii)Polynomial in one variable, y (iii) 3√t +… Continue reading Polynomial – Exercise 2.1 – Class IX