| √2 | 1 | √3 | √2 | 1 | √3 | |||||||
z1 = ... = | (− | − (− | i)) = | (− | + | i) = | ||||||
| 5 | 2 | 2 | 5 | 2 | 2 |
| √2 | √6 | |||
= − | + | i | ||
| 10 | 10 |
(jednak ten zapis u Ciebie tych dwoch minusow obok siebie jest raczej bledny (lepiej dac
nawias))
| √5 | −2π | −2π | ||||
z2 = ... = | (cos | + i sin | ) = | |||
| 2 | 3 | 3 |
| √5 | 2π | 2π | √5 | 1 | √3 | |||||||
= | (cos | − i sin | ) = | (− | − i | ) = | ||||||
| 2 | 3 | 3 | 2 | 2 | 2 |
| √5 | √15 | |||
= − | − i | |||
| 4 | 4 |