Question

which one of the following is a Polynomial?
a)
$\sqrt{ 2x } - 1$
b)
$\frac{x - 1}{x + 1}$
c)
${x}^{2} + \frac{3x {}^{2} }{ \sqrt{x} }$
d)
$\frac{ {x}^{2} }{ - 2} - \frac{2}{ {x}^{2} }$


give the explanation for the answer briefly
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Answer 1

Answer:

i have given you the attachment

Step-by-step explanation:

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