mikkela
mikkela mikkela
  • 12-09-2019
  • Mathematics
contestada

(-11+ √-4) + (4+ √-36)

Respuesta :

aquialaska aquialaska
  • 13-09-2019

Answer:

[tex]-7 + 8i[/tex]

Step-by-step explanation:

[tex](-11 + \sqrt{-4}) + (4 + \sqrt{-36}) = (-11 + 2\sqrt{-1}) + (4 + 6\sqrt{-1})[/tex]

We know [tex]\sqrt{-1}[/tex] is a complex number and is defined by [tex]i[/tex]

∴[tex](-11 + \sqrt{-4}) + (4 + \sqrt{-36}) = (-11 + 2i) + (4 + 6i) = -7 + 8i[/tex]

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