If $z = x + i y , x y \neq 0$, satisfies the equation $z ^ { 2 } + i \bar { z } = 0$, then $\left| z ^ { 2 } \right|$ is equal to: (1) 9 (2) 1 (3) 4 (4) $\frac { 1 } { 4 }$
If $z = x + i y , x y \neq 0$, satisfies the equation $z ^ { 2 } + i \bar { z } = 0$, then $\left| z ^ { 2 } \right|$ is equal to:\\
(1) 9\\
(2) 1\\
(3) 4\\
(4) $\frac { 1 } { 4 }$