kayla3003 kayla3003

01-11-2019
Mathematics

contestada

Simplify the expression. Write your answer as a complex number
2V25+ V-16
10+4i
10-4i
10 + 8i
10-3i

Respuesta :

a5904640 a5904640

01-11-2019

[tex]2\sqrt{25}+\sqrt{-16}[/tex]

[tex]2.5+\sqrt{-16}[/tex]

Since we have a negative root just put i outside and take the negative

[tex]10+i\sqrt{16}[/tex]

[tex]10+i.4[/tex]

[tex]10+4i[/tex]

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