10-04-2019
Mathematics

contestada

Evalute the expression
[tex]( - 4)^{ \frac{1}{2} } [/tex]

Respuesta :

BettaRasbora BettaRasbora

10-04-2019

Answer:

[tex]2i[/tex]

Step-by-step explanation:

In this case, we will have to deal with imaginary numbers.

[tex]\sqrt{-4}=\sqrt{-1}\sqrt{4}[/tex]

We can't have negative square roots.

[tex]\sqrt{4}i[/tex]

[tex]2i[/tex]

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