CHO SỐ PHỨC Z THỎA MÃN $ \LEFT| {\OVERLINE Z + 4 – 2I} \RIGHT| = \LEFT| {Z – 1 + I} \RIGHT|$ VÀ SỐ PHỨC $ {\RM{W}} = Z – 3I + 2.$ TÍNH $ \MIN \LEFT| {\RM{W}} \RIGHT|.$
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Level:
Medium
Question Types: Multiple choice
Answers:
- $ \\\min \\\left| {\\\rm{w}} \\\right| = \\\frac{{\\\sqrt {26} }}{{26}}.$
- $ \\\min \\\left| {\\\rm{w}} \\\right| = \\\frac{{2\\\sqrt {26} }}{{13}}.$
- $ \\\min \\\left| {\\\rm{w}} \\\right| = \\\frac{{\\\sqrt {26} }}{{13}}.$
- $ \\\min \\\left| {\\\rm{w}} \\\right| = \\\frac{{\\\sqrt {13} }}{{13}}.$