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14-01-2016
Mathematics

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How to simplify the complex number (9 - 2i) - (-2 + 6i) ?

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14-01-2016

[tex](9 - 2i) - (-2 + 6i) \\ \\ 9 - 2i + 2 - 6i \\ \\ (9+2) + (-2i - 6i) \\ \\ 11 - 8i \\ \\ Answer: \fbox {11 - 8i}[/tex]

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