Which of the following expression is a polynomial in one variable… - Vidyadip

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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