NCERT Ex 2.1 Q1 - Polynomials
Question: Which of the following expressions are polynomials in one variable and which are not? State reasons: (i) 4x^2 - 3x + 7 (ii) y^2 + sqrt(2) (iii) 3*sqrt(t) + t*sqrt(2) (iv) y + 2/y (v) x^10 + y^3 + t^50
Answer: (i) and (ii) are polynomials in one variable; (iii) and (iv) are not polynomials; (v) is a polynomial in three variables.
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