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December 14th, 2012, 09:22 AM   #1
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Complex numbers

Help about complex number (attachment)
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December 14th, 2012, 11:41 AM   #2
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Re: Complex numbers

[color=#000000]From the identity ,



.[/color]
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December 14th, 2012, 12:48 PM   #3
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Re: Complex numbers

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Originally Posted by ZardoZ
[color=#000000]From the identity ,



.[/color]
should be
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December 14th, 2012, 08:48 PM   #4
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Re: Complex numbers

Thank you ! But can you do it step by step, how did you get -1?
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December 15th, 2012, 11:58 AM   #5
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Re: Complex numbers

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Originally Posted by Miran977
Thank you ! But can you do it step by step, how did you get -1?
Re(z) = -1/2, 2Re(z) = -1
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