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| 1. |
if z=4+3\sqrt{20}i, i=\sqrt{-1}, then the positive value of {(\sqrt z+\sqrt{\overline z} )}^2 is equal to |
| Answer» if z=4+3\sqrt{20}i, i=\sqrt{-1}, then the positive value of {(\sqrt z+\sqrt{\overline z} )}^2 is equal to | |