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Plz solve this question mhanifa
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2 votes
Plz solve this question mhanifa

Plz solve this question mhanifa-example-1
User Oliver Hnat
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1 Answer

3 votes

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

User Kviktor
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4.6k points
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