1543699
1543699 1543699
  • 19-05-2021
  • Mathematics
contestada

plz solve this question mhanifa

plz solve this question mhanifa class=

Respuesta :

mhanifa
mhanifa mhanifa
  • 19-05-2021

Answer:

  • (3 - 4i) / (3 + 4i) + (3 + 4i) / (3 - 4i) =
  • [(3 - 4i)² + (3 + 4i)²] / (3 + 4i)(3 - 4i) =
  • 2(3² + 4²i²) / (3² - 4²i²) =
  • 2(9 - 16) / (9 + 16) =
  • -14/25

Correct choice is C

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