Respuesta :

4+2i because you can’t have a negative square root
hkh91

Answer:

4 + 2i

Step-by-step explanation:

Since

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

[tex]4 + \sqrt{ - 4} = 4 + \sqrt{ - 1 \times {2}^{2} } \\ = 4 + 2i[/tex]

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