Subjects

📘 complex numbers, algebra

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Argand Regions Roots
1. **Problem statement:** (a) Shade the region on the Argand diagram where complex numbers $z$ satisfy $$-\frac{\pi}{3} \leq \arg(z - 1 - 2i) \leq \frac{\pi}{3}$$ and $$\operatorna
Complex Numbers
1. **āĻĒā§āϰāĻŽāĻžāĻŖ āĻ•āϰ āϝ⧇, āĻ…āϏāĻŽā§‚āĻĻā§āϰ āϏāĻ‚āĻ–ā§āϝāĻž:** i) $\sqrt{2}$ āĻ…āϏāĻŽā§‚āĻĻā§āϰ āĻ•āĻžāϰāĻŖ āĻāϟāĻŋ āĻāĻ•āϟāĻŋ āĻŦāĻžāĻ¸ā§āϤāĻŦ āϏāĻ‚āĻ–ā§āϝāĻž āϝāĻž āϕ⧋āύ⧋ āĻĻ⧁āχ āĻĒā§‚āĻ°ā§āĻŖāϏāĻ‚āĻ–ā§āϝāĻžāϰ āĻ…āύ⧁āĻĒāĻžāϤ āĻšāĻŋāϏ⧇āĻŦ⧇ āĻĒā§āϰāĻ•āĻžāĻļ āĻ•āϰāĻž āϝāĻžāϝāĻŧ āύāĻžāĨ¤ āĻāϟāĻŋ āĻĒā§āϰāĻŽāĻžāĻŖ āĻ•āϰāĻžāϰ āϜāĻ¨ā§āϝ āϧāϰ⧇ āύ⧇āχ $\sqr
Complex Equations
1. **ÉnoncÊ du problème :** RÊsoudre l'Êquation complexe $z^2 - (6 + i)z + 8 + 4i = 0$ dans $
Ensemble Points
1. **ÉnoncÊ du problème** : On donne la transformation complexe $$Z = \frac{1 - z}{i + z}$$ et trois points \(M\), \(A\), et \(B\) d'affixes respectives \(z\), \(1\), et \(-i\). Il