The locus of the point z satisfying \[arg\left( \frac{z-1}{z+1} \right)=k,\] (where k is non zero) is [Orissa JEE 2002]

A straight line parallel to x-axis

A straight line making an angle \[{{60}^{o}}\] with the x-axis

The locus of the point z satisfying \[arg\left( \frac{z-1}{z+1} \right

1.	The locus of the point z satisfying \[arg\left( \frac{z-1}{z+1} \right)=k,\] (where k is non zero) is [Orissa JEE 2002]
A.	Circle with centre on y-axis
B.	Circle with centre on x-axis
C.	A straight line parallel to x-axis
D.	A straight line making an angle \[{{60}^{o}}\] with the x-axis
Answer» B. Circle with centre on x-axis

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The locus of the point z satisfying \[arg\left( \frac{z-1}{z+1} \right)=k,\] (where k is non zero) is [Orissa JEE 2002]

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