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一、求解圆锥曲线的轨迹、范围、最值等例1已知抛物线C:x~2=2py(p>0)上一点A(m,4)到其焦点的距离为(17)/4.
First, the solution of the conic trajectory, range, the most value and other examples 1 known parabola C: x ~ 2 = 2py (p> 0) on the point A (m, 4) to its focus distance (17) / 4.