El profesor se sorprenderá mucho al ver tu solución correcta😉
4 3 2 - x - 6*x + 8*x + 6*x + 9 = 0
______________ / ___ ___ 3 / 19 9*\/ 5 \/ 5 x1 = - - + / -- + ------- - ----- 2 \/ 2 2 2
______________ / ___ ___ 3 / 19 9*\/ 5 \/ 5 x2 = - - - / -- + ------- - ----- 2 \/ 2 2 2
________________ ___ / ___ 3 \/ 5 / 19 9*\/ 5 x3 = - - + ----- - I* / - -- + ------- 2 2 \/ 2 2
________________ ___ / ___ 3 \/ 5 / 19 9*\/ 5 x4 = - - + ----- + I* / - -- + ------- 2 2 \/ 2 2
x4 = -3/2 + sqrt(5)/2 + i*sqrt(-19/2 + 9*sqrt(5)/2)
suma
______________ ______________ ________________ ________________ / ___ ___ / ___ ___ ___ / ___ ___ / ___ 3 / 19 9*\/ 5 \/ 5 3 / 19 9*\/ 5 \/ 5 3 \/ 5 / 19 9*\/ 5 3 \/ 5 / 19 9*\/ 5 - - + / -- + ------- - ----- + - - - / -- + ------- - ----- + - - + ----- - I* / - -- + ------- + - - + ----- + I* / - -- + ------- 2 \/ 2 2 2 2 \/ 2 2 2 2 2 \/ 2 2 2 2 \/ 2 2
=
-6
producto
/ ______________ \ / ______________ \ / ________________\ / ________________\ | / ___ ___| | / ___ ___| | ___ / ___ | | ___ / ___ | | 3 / 19 9*\/ 5 \/ 5 | | 3 / 19 9*\/ 5 \/ 5 | | 3 \/ 5 / 19 9*\/ 5 | | 3 \/ 5 / 19 9*\/ 5 | |- - + / -- + ------- - -----|*|- - - / -- + ------- - -----|*|- - + ----- - I* / - -- + ------- |*|- - + ----- + I* / - -- + ------- | \ 2 \/ 2 2 2 / \ 2 \/ 2 2 2 / \ 2 2 \/ 2 2 / \ 2 2 \/ 2 2 /
=
-9
-9
x1 = -0.381966011250105 - 0.749870588001059*i
x2 = -7.04096354943126
x3 = -0.381966011250105 + 0.749870588001059*i
x4 = 1.80489557193147
x4 = 1.80489557193147