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Mathematics, 16.06.2021 01:00 tatemcgee
Xét các số phức z=a+bi (a, b€ R) thỏa mãn |z -4-3i|=5. Tính a+b khi biểu thức T=3|z+2i|²+2|z-4+i|²+|z+2-2i|² đạt giá trị lớn nhất.
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Xét các số phức z=a+bi (a, b€ R) thỏa mãn |z -4-3i|=5. Tính a+b khi biểu thức T=3|z+2i|²+2|z-4+i|²+|...
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