anonymous
  • anonymous
How would I solve these questions? Find complex roots in polar form 1)the fourth roots of 4-4sqrt3i 2)cube roots of -1-i
Mathematics
chestercat
  • chestercat
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Loser66
  • Loser66
1) we have formula for this fourth root of z means \(\sqrt[4]z\) , right?
Loser66
  • Loser66
it is \(z^{1/4}\) , right?
anonymous
  • anonymous
yes i think so

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Loser66
  • Loser66
so, if you set \(z= 4-4i\sqrt3\)
Loser66
  • Loser66
your x =4, your y = -4sqrt 3
Loser66
  • Loser66
hence in polar form, you have z =???
anonymous
  • anonymous
sorry im still new to this concept. im a little confused about how we split the equation to find x and y
Loser66
  • Loser66
so, read it firsthttp://www.intmath.com/complex-numbers/4-polar-form.php
Loser66
  • Loser66
click on answer to read how it is going on.
anonymous
  • anonymous
ohh i see thanks for that link

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