Find the Sum or Difference $$( 5 + 4 i ) - ( - 4 + i )$$

question 362

Multiple Choice

Find the sum or difference. Write the answer in standard form.
- $$( 5 + 4 i ) - ( - 4 + i )$$

• A) \(- 9 - 3 i\)
• B) \(9 - 3 \mathrm { i }\)
• C) \(9 + 3 \mathrm { i }\)
• D) \(1 + 5 i\)

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