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Câu1: trong mặt phẳng tọa độ Oxy cho điểm M(1;2) đường thẳng d / 2 * x - y + 1 = 0 ; đường tròn (C) / (x ^ 2) + y ^ 2 - 2y + 4y - 1 = 0 ; Vector v=(-2;-3) . a) Tìm tọa độ điểm Mư' là ảnh của M theo T_{p} b) Tìm tọa độ đường thẳng d” là ảnh của d theo T vec P c) Tìm tọa độ (C") là ảnh của (C) theo T_{p} . d) Tìm tọa độ điểm D sao cho M là ảnh của D theo T_{p} .
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