Mathematics, 23.07.2021 16:50 brea2006
Chứng minh một phép đối xứng tầm biên độ đường tròn đơn vị thành đường tròn (C): x²+ y²- 2x + 4y = 0. Tìm tọa độ tâm của phép đối xứng đó.
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Chứng minh một phép đối xứng tầm biên độ đường tròn đơn vị thành đường tròn (C): x²+ y²- 2x + 4y = 0...
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