已知抛物线y2=2x,过点Q(2,1)作一条直线交抛物线于A.B两点,试求弦AB中点的轨迹方程1已知抛物线y^2=2x,过点Q(2,1)作一条直线交抛物线于A.B两点,试求弦AB中点的轨迹方程2已知曲线方程为(k-1
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![已知抛物线y2=2x,过点Q(2,1)作一条直线交抛物线于A.B两点,试求弦AB中点的轨迹方程1已知抛物线y^2=2x,过点Q(2,1)作一条直线交抛物线于A.B两点,试求弦AB中点的轨迹方程2已知曲线方程为(k-1](/uploads/image/z/7253242-34-2.jpg?t=%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BFy2%3D2x%2C%E8%BF%87%E7%82%B9Q%EF%BC%882%2C1%EF%BC%89%E4%BD%9C%E4%B8%80%E6%9D%A1%E7%9B%B4%E7%BA%BF%E4%BA%A4%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%BA%8EA.B%E4%B8%A4%E7%82%B9%2C%E8%AF%95%E6%B1%82%E5%BC%A6AB%E4%B8%AD%E7%82%B9%E7%9A%84%E8%BD%A8%E8%BF%B9%E6%96%B9%E7%A8%8B1%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BFy%5E2%3D2x%2C%E8%BF%87%E7%82%B9Q%EF%BC%882%2C1%EF%BC%89%E4%BD%9C%E4%B8%80%E6%9D%A1%E7%9B%B4%E7%BA%BF%E4%BA%A4%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%BA%8EA.B%E4%B8%A4%E7%82%B9%2C%E8%AF%95%E6%B1%82%E5%BC%A6AB%E4%B8%AD%E7%82%B9%E7%9A%84%E8%BD%A8%E8%BF%B9%E6%96%B9%E7%A8%8B2%E5%B7%B2%E7%9F%A5%E6%9B%B2%E7%BA%BF%E6%96%B9%E7%A8%8B%E4%B8%BA%EF%BC%88k-1)
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