itssamchan
itssamchan
12-12-2016
Mathematics
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Simplify(5+2i)(1+3i)
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HyperDrive
HyperDrive
12-12-2016
(5 + 2i)(1 + 3i)
5 * 1 = 5
5 * 3 = 15i
2i * 1 = 2i
2i * 3i = 6i^2
So we have...
5 + 15i + 2i + 6i^2
5 + 17i + 6i^2
In order....
6i^2 + 17i + 5
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