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| Hello, How Wolfram can do this problem? Determine the set of complex numbers z such that (z-3i) / z (z + 1) is pure imaginary and after pure real Sorry for my English. Best regards. |
| Discussions |
|---|
| Hello, How Wolfram can do this problem? Determine the set of complex numbers z such that (z-3i) / z (z + 1) is pure imaginary and after pure real Sorry for my English. Best regards. |