El profesor se sorprenderá mucho al ver tu solución correcta😉
__________________ / ____ 2 / 136 8*I*\/ 47 64 x1 = - - + 3 / --- + ---------- + -------------------------- 9 \/ 729 81 __________________ / ____ / 136 8*I*\/ 47 81*3 / --- + ---------- \/ 729 81
x1 = -2/9 + 64/(81*(136/729 + 8*sqrt(47)*i/81)^(1/3)) + (136/729 + 8*sqrt(47)*i/81)^(1/3)
suma
__________________ / ____ 2 / 136 8*I*\/ 47 64 - - + 3 / --- + ---------- + -------------------------- 9 \/ 729 81 __________________ / ____ / 136 8*I*\/ 47 81*3 / --- + ---------- \/ 729 81
=
__________________ / ____ 2 / 136 8*I*\/ 47 64 - - + 3 / --- + ---------- + -------------------------- 9 \/ 729 81 __________________ / ____ / 136 8*I*\/ 47 81*3 / --- + ---------- \/ 729 81
producto
__________________ / ____ 2 / 136 8*I*\/ 47 64 - - + 3 / --- + ---------- + -------------------------- 9 \/ 729 81 __________________ / ____ / 136 8*I*\/ 47 81*3 / --- + ---------- \/ 729 81
=
_________________ 3 / ____ 2 2*\/ 17 + 9*I*\/ 47 32 - - + ---------------------- + ---------------------- 9 9 _________________ 3 / ____ 9*\/ 17 + 9*I*\/ 47
-2/9 + 2*(17 + 9*i*sqrt(47))^(1/3)/9 + 32/(9*(17 + 9*i*sqrt(47))^(1/3))