Which of the following expressions are not polynomials : (i) x2+2x−2 – InterviewSolution

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Which of the following expressions are not polynomials : (i) x2+2x−2 (ii) √ax+x2−x3 (iii) 3y3−√5y+9 (iv) ax12+ax+9x2+4 (v) 3x−2+2x−1+4x+5

Answer»

Which of the following expressions are not polynomials :

(i) $x^{2} + 2 x^{- 2}$

(ii) $\sqrt{a} x + x^{2} - x^{3}$

(iii) $3 y^{3} - \sqrt{5} y + 9$

(iv) $a x^{\frac{1}{2} + a x + 9 x^{2} + 4}$

(v) $3 x^{- 2} + 2 x^{- 1} + 4 x + 5$

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