

MCQOPTIONS
Saved Bookmarks
1. |
For any two complex numbers \[{{z}_{1}},{{z}_{2}}\]we have \[|{{z}_{1}}+{{z}_{2}}{{|}^{2}}=\] \[|{{z}_{1}}{{|}^{2}}+|{{z}_{2}}{{|}^{2}}\] then |
A. | \[\operatorname{Re}\left( \frac{{{z}_{1}}}{{{z}_{2}}} \right)=0\] |
B. | \[\operatorname{Im}\left( \frac{{{z}_{1}}}{{{z}_{2}}} \right)=0\] |
C. | \[\operatorname{Re}({{z}_{1}}{{z}_{2}})=0\] |
D. | \[\operatorname{Im}({{z}_{1}}{{z}_{2}})=0\] |
Answer» B. \[\operatorname{Im}\left( \frac{{{z}_{1}}}{{{z}_{2}}} \right)=0\] | |