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savage5447
22.12.2020 •
Mathematics
Given z^2=1/2(cos(2pi/5)+i sin(2pi/5)), which lettered point represents z?
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Ответ:
Step-by-step explanation:
According to the De Moivre's Formula, the power of a complex number of the form
is defined by this formula:
Where:
Given that
, then the following variables are:
And the norm and direction of the complex number are, respectively:
Then, the complex number is:
Which corresponds to point A.
Ответ:
X=38
Hope I helped :]