\left\{ \begin{array} { l } { z _ { 1 } z _ { 2 } = 5 } \\ { z _ { 1 } + z _ { 2 } = 2 } \end{array} \right.
Solve for z_1, z_2
z_{1}=1+2i\text{, }z_{2}=1-2i
z_{1}=1-2i\text{, }z_{2}=1+2i
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