摘要:2.已知两点M.点P满足 =12.则点P的轨迹方程为( ) A. B. C. D.
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已知两点M(-2,0),N(2,0),点P为坐标平面内的动点,满足
+
=0,则动点P(x,y)的轨迹方程为
[ ]
A.
y2=8x
B.
y2=-8x
C.
y2=4x
D.
y2=-4x