SolutionSolution by Ancient Tree · FRz1‾=1+2i‾=1−2i\overline{z_{1}}=\overline{1+2i}=1-2iz1=1+2i=1−2i. z2‾=−7−5i‾=−7+5i\overline{z_{2}}=\overline{-7-5i}=-7+5iz2=−7−5i=−7+5i. z3‾=4i‾=−4i\overline{z_{3}}=\overline{4i}=-4iz3=4i=−4i.
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