El profesor se sorprenderá mucho al ver tu solución correcta😉
z = -1+i^1/3
2/3 2/3 2 I*2 z1 = ---- + ------ 2 2
2/3 / 2/3 2/3 ___\ 2/3 ___ 2 | 2 2 *\/ 3 | 2 *\/ 3 z2 = - ---- + I*|- ---- - ----------| + ---------- 4 \ 4 4 / 4
2/3 / 2/3 2/3 ___\ 2/3 ___ 2 | 2 2 *\/ 3 | 2 *\/ 3 z3 = - ---- + I*|- ---- + ----------| - ---------- 4 \ 4 4 / 4
z3 = -2^(2/3)*sqrt(3)/4 - 2^(2/3)/4 + i*(-2^(2/3)/4 + 2^(2/3)*sqrt(3)/4)
suma
2/3 2/3 2/3 / 2/3 2/3 ___\ 2/3 ___ 2/3 / 2/3 2/3 ___\ 2/3 ___ 2 I*2 2 | 2 2 *\/ 3 | 2 *\/ 3 2 | 2 2 *\/ 3 | 2 *\/ 3 ---- + ------ + - ---- + I*|- ---- - ----------| + ---------- + - ---- + I*|- ---- + ----------| - ---------- 2 2 4 \ 4 4 / 4 4 \ 4 4 / 4
=
/ 2/3 2/3 ___\ / 2/3 2/3 ___\ 2/3 | 2 2 *\/ 3 | | 2 2 *\/ 3 | I*2 I*|- ---- - ----------| + I*|- ---- + ----------| + ------ \ 4 4 / \ 4 4 / 2
producto
/ 2/3 2/3\ / 2/3 / 2/3 2/3 ___\ 2/3 ___\ / 2/3 / 2/3 2/3 ___\ 2/3 ___\ |2 I*2 | | 2 | 2 2 *\/ 3 | 2 *\/ 3 | | 2 | 2 2 *\/ 3 | 2 *\/ 3 | |---- + ------|*|- ---- + I*|- ---- - ----------| + ----------|*|- ---- + I*|- ---- + ----------| - ----------| \ 2 2 / \ 4 \ 4 4 / 4 / \ 4 \ 4 4 / 4 /
=
-1 + I
-1 + i
z1 = 0.290514555507251 - 1.08421508149135*i
z2 = 0.7937005259841 + 0.7937005259841*i
z3 = -1.08421508149135 + 0.290514555507251*i
z3 = -1.08421508149135 + 0.290514555507251*i