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41 votes
41 votes
How do I divide complex numbers?
((6 - i))/((5 + 4i))

User Stratwine
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1 Answer

15 votes
15 votes

\begin{gathered} (6-i)/(5+4i) \\ \\ \text{Multiply by the conjugate} \\ (6-i)/(5+4i)\cdot(5-4i)/(5-4i) \\ (30-24i-5i+4i^2)/(25-20i+20i-16i^2) \\ (30-29i+4i^2)/(25-16i^2) \\ \\ (30-29i+4(-1))/(25-16(-1)) \\ \\ (30-4-29i)/(25+16)=(26-29i)/(41) \end{gathered}

User Mad Fish
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