Question

Is (x²)½ +2√5a is a polynomial ?

Answer 1

Answer is YES.

${ \big({x}^{2} \big) }^{ \frac{1}{2} } + 2 \sqrt{5} \: a \\ \\ = x + 2 \sqrt{5 } \: a$

Here variables are x and a

Powers of variables are whole numbers.

So yes, it is a polynomial.

Answer 2

Answer:

yes it's a polynomial because it's powers are whole numbers