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Question Number 126231 by mohammad17 last updated on 18/Dec/20

$$provethat:Im\left(iz\right)=Re\left(z\right)$$

Answered by floor(10²Eta[1]) last updated on 18/Dec/20

$$\mathrm{z}=\mathrm{a}+\mathrm{bi}\Rightarrow \mathrm{iz}=\mathrm{ai}-\mathrm{b}$$$$\mathrm{Im}\left(\mathrm{iz}\right)=\mathrm{a}$$$$\mathrm{Re}\left(\mathrm{z}\right)=\mathrm{a}$$

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