rosendamartinez
rosendamartinez rosendamartinez
  • 21-10-2016
  • Mathematics
contestada

What is equivalent to 13 - √-18?

4
13 - 9i
13 + 9i
22

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 21-10-2016
√-1=i

13-√-18=
13-√(-1)(18)=
13-(√-1)(√18)=
13-(i)(3√2)=
13-3i√2
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