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| 1. |
If z= 2+√3i, find the value of zz |
| Answer» {tex}\\style{font-family:Arial}{\\style{font-size:10px}{\\begin{array}{l}zz=(2+\\sqrt3i)\\times{(2+\\sqrt3i)}\\\\=2^2+(\\sqrt3i)^2+4\\sqrt3i\\\\=4+3i^2+4\\sqrt3i\\\\=4-3+4\\sqrt3i\\\\=1+4\\sqrt3i\\end{array}}}{/tex} | |