El profesor se sorprenderá mucho al ver tu solución correcta😉
suma
2/3 2/3 2/3 ___ 2/3 2/3 ___ 2 2 I*2 *\/ 3 2 I*2 *\/ 3 - ---- + ---- - ------------ + ---- + ------------ 2 4 4 4 4
=
0
producto
2/3 / 2/3 2/3 ___\ / 2/3 2/3 ___\ -2 |2 I*2 *\/ 3 | |2 I*2 *\/ 3 | ------*|---- - ------------|*|---- + ------------| 2 \ 4 4 / \ 4 4 /
=
-1/2
-1/2
2/3 -2 x1 = ------ 2
2/3 2/3 ___ 2 I*2 *\/ 3 x2 = ---- - ------------ 4 4
2/3 2/3 ___ 2 I*2 *\/ 3 x3 = ---- + ------------ 4 4
x3 = 2^(2/3)/4 + 2^(2/3)*sqrt(3)*i/4
x1 = -0.7937005259841
x2 = 0.39685026299205 - 0.687364818499301*i
x3 = 0.39685026299205 + 0.687364818499301*i
x3 = 0.39685026299205 + 0.687364818499301*i