GIẢI TÍCH 12_CHƯƠNG 4_BÀI 1_SỐ PHỨC VÀ CÁC PHÉP TOÁN

$$3.$$

$$4.$$

$$-3.$$

$$-4.$$

$$z=1-3i.$$

$$z=-1+3i.$$

$$z=1+3i.$$

$$z=-1-3i.$$

$$z=\sqrt{3}+i.$$

$$z=-2.$$

$$z=-2+3i.$$

$$z=3i.$$

$$\left|z\right|=5.$$

$$\left|z\right|=\sqrt{3}.$$

$$\left|z\right|=\sqrt{5}.$$

$$\left|z\right|=3.$$

$$\overline{z}=-2+i.$$

$$\overline{z}=-2-i.$$

$$\overline{z}=2-i.$$

$$\overline{z}=2+i.$$

$$\overline{z}=5+7i.$$

$$-z=-5-7i.$$

$$-z=-5+7i.$$

$$-z=5-7i.$$

$$Q\left(1;2\right).$$

$$P\left(-1;2\right).$$

$$N\left(1;-2\right).$$

$$M\left(-1;-2\right).$$

$$1.$$

$$-3.$$

$$-1.$$

$$3.$$

$$z=1+2i.$$

$$z=1-2i.$$

$$z=2+i.$$

$$z=-2+i.$$

$$z=-1-2i.$$

$$z=1+2i.$$

$$z=1-2i.$$

$$z=-2+i.$$