MCQ
${\left| {{z_1} + {z_2}} \right|^2} + {\left| {{z_1} - {z_2}} \right|^2}$ = ......
- A$2\left( {\left| {{z_1}} \right| + \left| {{z_2}} \right|} \right)$
- ✓$2\left( {{{\left| {{z_1}} \right|}^2} + {{\left| {{z_2}} \right|}^2}} \right)$
- C$\left| {{z_1}} \right|\left| {{z_2}} \right|$
- D${{{\left| {{z_1}} \right|}^2} + {{\left| {{z_2}} \right|}^2}}$