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प्रश्न
Which of the following expressions are not polynomials?
\[\sqrt{ax} + x^2 - x^3\]
योग
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उत्तर
\[\sqrt{ax} + x^2 - x^3 \text{is not a polynomial because} \frac{1}{2} \text{is the power of variable x is not a non negative integer .} \]
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