Question

Is (x2)½ + 2√5 a polynomial ?
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Answer 1

Answer:

$= { ({x}^{2}) }^{ \frac{1}{2} } + 2 \sqrt{5} \\ = {x}^{2 \times \frac{1}{2} } + 2 \sqrt{5} \\ = {x}^{1} + 2 \sqrt{5} \\ = x + 2 \sqrt{5} \\ \\ \\ so \: it \: is \: a \: polynomial$

Answer 2

Answer:

=(x

2

)

2

1

+2

5

=x

2×

2

1

+2

5

=x

1

+2

5

=x+2

5

so it is a polynomial

Step-by-step explanation:

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