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MATH / Find all complex numbers z such that

Problem

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problem

Find all complex numbers zz such that \begin{align*} \left| \frac{z - 4}{z - 8} \right| &= 1, \\ \left| \frac{z - 12}{z - 8i} \right| &= \frac{5}{3}. \end{align*}Enter all the solutions, separated by commas.
Plain-text mathematical notation (without MathML)
Find all complex numbers z such that
\begin{align*}
\left| \frac{z - 4}{z - 8} \right| &= 1, \\
\left| \frac{z - 12}{z - 8i} \right| &= \frac{5}{3}.
\end{align*}Enter all the solutions, separated by commas.
Original LaTeX notation
Find all complex numbers $z$ such that
\begin{align*}
\left| \frac{z - 4}{z - 8} \right| &= 1, \\
\left| \frac{z - 12}{z - 8i} \right| &= \frac{5}{3}.
\end{align*}Enter all the solutions, separated by commas.

level

Level 5

type

Intermediate Algebra

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Source and history

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