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| 1. |
For any two complex numbers z 1 and z 2 , prove that Re (z 1 z 2 ) = Re z 1 Re z 2 – Im z 1 Im z 2 |
| Answer» For any two complex numbers z 1 and z 2 , prove that Re (z 1 z 2 ) = Re z 1 Re z 2 – Im z 1 Im z 2 | |