Q62. Let $\alpha$ and $\beta$ be the sum and the product of all the non-zero solutions of the equation $( \bar { z } ) ^ { 2 } + | z | = 0 , z \in \mathrm { C }$. Then $4 \left( \alpha ^ { 2 } + \beta ^ { 2 } \right)$ is equal to :\\
(1) 6\\
(2) 8\\
(3) 2\\
(4) 4