MCQ
Which of the following expression is a polynomial in one variable$?$
- A$\text{x}+\frac{2}{\text{x}}+3$
- B$3\sqrt{\text{x}}+\frac{2}{\sqrt{\text{x}}}+5$
- ✓$\sqrt2\text{x}^2-\sqrt3\text{x}+6$
- D$\text{x}^{10}+\text{y}^5+8$
✓
Answer
Correct option: C.
$\sqrt2\text{x}^2-\sqrt3\text{x}+6$
Clearly, $\sqrt2\text{x}^2-\sqrt3\text{x}+6$ is a polynomial in one variable because it has only non-negative integral powers of $x.$
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