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