MCQ
Which one of the following is a polynomial?
- A$\frac {\text{x}^2}{2} - \frac {2}{\text{x}^2}$
- B$\sqrt {2\text{x}} - 1$
- ✓$\text{x}^2 + \frac {3\text{x}^{\frac{3}{2}}}{\sqrt{\text{x}}}$
- D$\frac {\text{x} - 1}{\text{x} + 1}$
The power of x must be a non-negative integer in a polynomial. As we can write option $\text{c as x}^2+3\text{x}^{\frac{3}{2}-\frac{1}{2}}=\text{x}^2+3\text{x}$
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