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问题1点A(3,2),F为抛物线y~3=2x的焦点,点P在抛物线上移动,求|PA|+ |PF|的最小值,并求此时P点的坐标.
Problem 1 point A(3,2), F is the focus of parabola y~3=2x, point P moves on the parabola, find the minimum value of |PA|+|PF|, and find the coordinates of P point at this time.