已知经过点A(-2,-4),倾斜角45°的直线和抛物线y=2px交于M1.M2若AM1,M1M2,AM2的长成等比数列,求p参数方程做法
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![已知经过点A(-2,-4),倾斜角45°的直线和抛物线y=2px交于M1.M2若AM1,M1M2,AM2的长成等比数列,求p参数方程做法](/uploads/image/z/5703845-5-5.jpg?t=%E5%B7%B2%E7%9F%A5%E7%BB%8F%E8%BF%87%E7%82%B9A%28-2%2C-4%29%2C%E5%80%BE%E6%96%9C%E8%A7%9245%C2%B0%E7%9A%84%E7%9B%B4%E7%BA%BF%E5%92%8C%E6%8A%9B%E7%89%A9%E7%BA%BFy%3D2px%E4%BA%A4%E4%BA%8EM1.M2%E8%8B%A5AM1%2CM1M2%2CAM2%E7%9A%84%E9%95%BF%E6%88%90%E7%AD%89%E6%AF%94%E6%95%B0%E5%88%97%2C%E6%B1%82p%E5%8F%82%E6%95%B0%E6%96%B9%E7%A8%8B%E5%81%9A%E6%B3%95)
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