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| 1. |
If |z_(1)| = 1, |z_(2)| = 2, |z_(3)| = 3 and |9z_(1)z_(2) + 4z_(1)z_(3) + z_(2)z_(3)| = 12, then the value of |z_(1) + z_(2) + z_(3)| is |
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Answer» 3 |
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