定义运算,则符合条件= 0的点P (x , y)的轨迹方程为( )
A.(x – 1)2 + 4y2 =" 1" | B.(x –1)2 – 4y2 =" 1" |
C.(x –1)2 + y2 =" 1" | D.(x –1)2 – y2 = 1 |
推荐套卷
定义运算,则符合条件= 0的点P (x , y)的轨迹方程为( )
A.(x – 1)2 + 4y2 =" 1" | B.(x –1)2 – 4y2 =" 1" |
C.(x –1)2 + y2 =" 1" | D.(x –1)2 – y2 = 1 |