Which of the following expressions are not polynomials. ax +x^2-x… - Vidyadip

Question

Which of the following expressions are not polynomials.
$\sqrt{\text{ax}}+\text{x}^2-\text{x}^3$

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Answer

$\sqrt{\text{ax}}+\text{x}^2-\text{x}^3$ is not a polynomial because $\frac{1}{2}$ is the power of variable x is not a non negative integer.

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