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If someone could help me with this htat would mean a lot, please and thank you

Let \($z = 2 e^{10 \pi i/21} $\) and \($w = e^{\pi i/7}$\) then what is 

\(\[|(z+w)^6|,\] \)

 

the magnitude of 

$(z+w)^6$? ?

 

Sorry for the awful format I am still getting used to this.

 Jun 28, 2020
 #1
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The answer works out to (7*sqrt(2))^2 = 98.

 Jun 28, 2020
 #2
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Thank you for the response, but I don't believe that is correct. is there any way you can show me how you got there, so we can figure out, where it went wrong :)

Guest Jun 28, 2020

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