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已知点A(6,-4),B(1,2)、C(x,y),O为坐标原点.若,则点C的轨迹...
已知点A(6,-4),B(1,2)、C(x,y),O为坐标原点.若
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,则点C的轨迹方程是( )
A.2x-y+16=0
B.2x-y-16=0
C.x-y+10=0
D.x-y-10=0
考点分析:
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