georgiacary
georgiacary georgiacary
  • 15-07-2017
  • Mathematics
contestada

please simplify 9/3-2i.

Respuesta :

rbspyro
rbspyro rbspyro
  • 15-07-2017
3-2i is as far as you can simplify
Answer Link
mebyerley mebyerley
  • 15-07-2017
i = sqrt -1

Multiply by 3+2i/3+2i

combine: 9(3+2i)/(3−2i)(3+2i)

foil: 9(3+2i)/3⋅3+3(2i)−2i⋅3−2i(2i)

simplify: 9(3+2i)/9−4i^2
               9(3+2i)/9+4
              
9(3+2i)/13
               27+18i/13
Divide each term in the numerator by the denominator.

27/13+18i/13 = answer
Answer Link

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