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OpenStudy (anonymous):
Which of the following is the conjugate of a complex number with 2 as the real part and 7 as the imaginary part?
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OpenStudy (anonymous):
A. 2 + 7i B. -2 - 7i C. -2 + 7i D.2 - 7i
OpenStudy (anonymous):
Someone help please. I'll fan and give a medal
OpenStudy (anonymous):
D
OpenStudy (anonymous):
You sure?
OpenStudy (anonymous):
ofcourse since The conjugate of any complex number a+bi is a-bi
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OpenStudy (anonymous):
Thank you so much again! you're a life saver
OpenStudy (anonymous):
easy... the difference is... \[a+bi >< a-bi \] or \[a-bi >< a+bi\]
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