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Question
Which of the following expressions are not polynomials?
ax1/2 + ax + 9x2 + 4
Sum
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Solution
\[{ax}^\frac{1}{2} + ax + 9 x^2 + 4\ \text{is not a polynomial because}\ \frac{1}{2}\ \text{is the power of variable x is not a non negative integer .} \]
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