已知平面内一动点P到定点F(2,0)的距离与点P到y轴的距离的差等于2.
(Ⅰ)求动点P的轨迹C的方程;
(Ⅱ)过点F作倾斜角为60°的直线l与轨迹C交于A(x
1,y
1),B(x
2,y
2)(x
1<x
2)两点,O为坐标原点,点M为轨迹C上一点,若向量
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102739135980969/SYS201311031027391359809019_ST/0.png)
=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102739135980969/SYS201311031027391359809019_ST/1.png)
+λ
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102739135980969/SYS201311031027391359809019_ST/2.png)
,求λ的值.
考点分析:
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=
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