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OpenStudy (anonymous):
What is the complex conjugate of the following complex number? 1 + 2i
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OpenStudy (kinggeorge):
1-2i
OpenStudy (kinggeorge):
In general, the complex conjugate of a complex number \(a+bi\) is \(a-bi\)
OpenStudy (anonymous):
so that would be...? -1 - 2i
OpenStudy (kinggeorge):
Just \(1-2i\). You just negate the imaginary part.
OpenStudy (anonymous):
oooh ok thank you!
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OpenStudy (kinggeorge):
\[\Large a+bi \;\;\;\longmapsto \;\;\;a-bi\]
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