El profesor se sorprenderá mucho al ver tu solución correcta😉
7 21 5*x + - - 2 - 2*x + -- + 2 = 26/3 x x
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(-26/3)^2 - 4 * (3) * (28) = -2348/9
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
suma
_____ _____ 13 I*\/ 587 13 I*\/ 587 -- - --------- + -- + --------- 9 9 9 9
=
26/9
producto
/ _____\ / _____\ |13 I*\/ 587 | |13 I*\/ 587 | |-- - ---------|*|-- + ---------| \9 9 / \9 9 /
=
28/3
28/3
_____ 13 I*\/ 587 x1 = -- - --------- 9 9
_____ 13 I*\/ 587 x2 = -- + --------- 9 9
x2 = 13/9 + sqrt(587)*i/9
x1 = 1.44444444444444 - 2.69200920879683*i
x2 = 1.44444444444444 + 2.69200920879683*i
x2 = 1.44444444444444 + 2.69200920879683*i