If $z$ is a complex number such that $\frac { z - i } { z - 1 }$ is purely imaginary, then the minimum value of $| z - ( 3 + 3i ) |$ is : (1) $3 \sqrt { 2 }$ (2) $2 \sqrt { 2 }$ (3) $2 \sqrt { 2 } - 1$ (4) $6 \sqrt { 2 }$
If $z$ is a complex number such that $\frac { z - i } { z - 1 }$ is purely imaginary, then the minimum value of $| z - ( 3 + 3i ) |$ is :\\
(1) $3 \sqrt { 2 }$\\
(2) $2 \sqrt { 2 }$\\
(3) $2 \sqrt { 2 } - 1$\\
(4) $6 \sqrt { 2 }$