Answer 3.3:2

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(Ny sida: {| width="100%" cellspacing="10px" |a) |width="33%"|<math>z= \left\{\begin{matrix} \phantom{-}1 \\ -1 \\ \phantom{-}i \\ -i\\ \end{matrix}\right.</math> |b) |width="33%"| <math>z = \left\{\...)
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Revision as of 12:42, 7 April 2008

a) \displaystyle z= \left\{\begin{matrix} \phantom{-}1 \\ -1 \\ \phantom{-}i \\ -i\\ \end{matrix}\right. b) \displaystyle z = \left\{\begin{matrix} \frac{1}{2}+\frac{1}{2}\sqrt{3}\,i \\ -1\phantom{{}-\frac{1}{2}\sqrt{3}\,i} \\ \frac{1}{2}-\frac{1}{2}\sqrt{3}\,i \\ \end{matrix}\right. c) \displaystyle \displaystyle z=2^{1/10}\exp\Bigl(\frac{\pi i}{4}+\frac{2k\pi i}{5}\Bigr)$ för $\ k=0,1,2,3,4
d) \displaystyle z= \left\{\begin{matrix} 2+i \\ 2-i \\ \phantom{-}i \\ -i\\ \end{matrix}\right. e) \displaystyle z = \left\{\begin{matrix} \phantom{-}1 \\ -1 \end{matrix}\right.
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