Solved

Find the Sum or Difference $( 9 - 4 i ) + ( 6 + 8 i ) + 5 i$

Question 53

Multiple Choice

Find the sum or difference. Write the answer in standard form.
- $( 9 - 4 i ) + ( 6 + 8 i ) + 5 i$

A) $20 + 9 \mathrm { i }$
B) $15 - 9 \mathrm { i }$
C) $3 + 4 \mathrm { i }$
D) $15 + 9 i$

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