Solve for z

Attempt:

Therefore:

but the correct answer was

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- October 23rd 2010, 05:27 AMSyNtHeSiSSolving |e^z| using complex numbers
Solve for z

Attempt:

Therefore:

but the correct answer was - October 23rd 2010, 05:35 AMPlato
You need to notice that

- October 24th 2010, 02:51 AMSyNtHeSiS
- October 24th 2010, 03:58 AMmr fantastic
- October 24th 2010, 05:07 AMSyNtHeSiS
Oh I see, but why is it that you add to the solution and not ?

- October 24th 2010, 05:35 AMPlato
- October 24th 2010, 06:00 AMSyNtHeSiS
I understand what you did but can you just tell me why this method is wrong:

I read somewhere in my notes that you always add to and in this case my is 0, so then I did the following:

I can see that k must be R since x is a real number.

But I just want to know why you dont add here - October 24th 2010, 06:10 AMPlato