El profesor se sorprenderá mucho al ver tu solución correcta😉
3 2 - x - x + 161*x - 80 = 0
/ 1 \ / / 1 \ \ 484*re|----------------------------------------------| / / __________\\ | 484*im|----------------------------------------------| / / __________\\ / / __________\\| / / __________\\ | _________________________| | |3*\/ 48942255 || | | _________________________| | |3*\/ 48942255 || | |3*\/ 48942255 ||| | |3*\/ 48942255 || |/ ___\ / __________ | |atan|--------------|| | |/ ___\ / __________ | |atan|--------------|| |atan|--------------||| |atan|--------------|| || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | | \ 3611 /| | || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | | \ 3611 /| ___ | \ 3611 /|| ___ | \ 3611 /| ||- - - -------|*3 / ---- + ---------------- | 11*cos|--------------------| | ||- - - -------|*3 / ---- + ---------------- | 11*sin|--------------------| 11*\/ 3 *cos|--------------------|| 11*\/ 3 *sin|--------------------| 1 \\ 2 2 / \/ 2 2 / \ 3 / | \\ 2 2 / \/ 2 2 / \ 3 / \ 3 /| \ 3 / x1 = - - - ------------------------------------------------------ + ---------------------------- + I*|- ------------------------------------------------------ + ---------------------------- + ----------------------------------| - ---------------------------------- 3 3 3 \ 3 3 3 / 3
/ 1 \ / / 1 \ \ 484*re|----------------------------------------------| / / __________\\ | 484*im|----------------------------------------------| / / __________\\ / / __________\\| / / __________\\ | _________________________| | |3*\/ 48942255 || | | _________________________| | |3*\/ 48942255 || | |3*\/ 48942255 ||| | |3*\/ 48942255 || |/ ___\ / __________ | |atan|--------------|| | |/ ___\ / __________ | |atan|--------------|| |atan|--------------||| |atan|--------------|| || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | | \ 3611 /| | || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | | \ 3611 /| ___ | \ 3611 /|| ___ | \ 3611 /| ||- - + -------|*3 / ---- + ---------------- | 11*cos|--------------------| | ||- - + -------|*3 / ---- + ---------------- | 11*sin|--------------------| 11*\/ 3 *cos|--------------------|| 11*\/ 3 *sin|--------------------| 1 \\ 2 2 / \/ 2 2 / \ 3 / | \\ 2 2 / \/ 2 2 / \ 3 / \ 3 /| \ 3 / x2 = - - - ------------------------------------------------------ + ---------------------------- + I*|- ------------------------------------------------------ + ---------------------------- - ----------------------------------| + ---------------------------------- 3 3 3 \ 3 3 3 / 3
_________________________ / __________ / 3611 3*I*\/ 48942255 3 / ---- + ---------------- 1 484 \/ 2 2 x3 = - - - -------------------------------- - ------------------------------ 3 _________________________ 3 / __________ / 3611 3*I*\/ 48942255 3*3 / ---- + ---------------- \/ 2 2
x3 = -1/3 - (3611/2 + 3*sqrt(48942255)*i/2)^(1/3)/3 - 484/(3*(3611/2 + 3*sqrt(48942255)*i/2)^(1/3))
suma
/ 1 \ / / 1 \ \ / 1 \ / / 1 \ \ 484*re|----------------------------------------------| / / __________\\ | 484*im|----------------------------------------------| / / __________\\ / / __________\\| / / __________\\ 484*re|----------------------------------------------| / / __________\\ | 484*im|----------------------------------------------| / / __________\\ / / __________\\| / / __________\\ | _________________________| | |3*\/ 48942255 || | | _________________________| | |3*\/ 48942255 || | |3*\/ 48942255 ||| | |3*\/ 48942255 || | _________________________| | |3*\/ 48942255 || | | _________________________| | |3*\/ 48942255 || | |3*\/ 48942255 ||| | |3*\/ 48942255 || _________________________ |/ ___\ / __________ | |atan|--------------|| | |/ ___\ / __________ | |atan|--------------|| |atan|--------------||| |atan|--------------|| |/ ___\ / __________ | |atan|--------------|| | |/ ___\ / __________ | |atan|--------------|| |atan|--------------||| |atan|--------------|| / __________ || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | | \ 3611 /| | || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | | \ 3611 /| ___ | \ 3611 /|| ___ | \ 3611 /| || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | | \ 3611 /| | || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | | \ 3611 /| ___ | \ 3611 /|| ___ | \ 3611 /| / 3611 3*I*\/ 48942255 ||- - - -------|*3 / ---- + ---------------- | 11*cos|--------------------| | ||- - - -------|*3 / ---- + ---------------- | 11*sin|--------------------| 11*\/ 3 *cos|--------------------|| 11*\/ 3 *sin|--------------------| ||- - + -------|*3 / ---- + ---------------- | 11*cos|--------------------| | ||- - + -------|*3 / ---- + ---------------- | 11*sin|--------------------| 11*\/ 3 *cos|--------------------|| 11*\/ 3 *sin|--------------------| 3 / ---- + ---------------- 1 \\ 2 2 / \/ 2 2 / \ 3 / | \\ 2 2 / \/ 2 2 / \ 3 / \ 3 /| \ 3 / 1 \\ 2 2 / \/ 2 2 / \ 3 / | \\ 2 2 / \/ 2 2 / \ 3 / \ 3 /| \ 3 / 1 484 \/ 2 2 - - - ------------------------------------------------------ + ---------------------------- + I*|- ------------------------------------------------------ + ---------------------------- + ----------------------------------| - ---------------------------------- + - - - ------------------------------------------------------ + ---------------------------- + I*|- ------------------------------------------------------ + ---------------------------- - ----------------------------------| + ---------------------------------- + - - - -------------------------------- - ------------------------------ 3 3 3 \ 3 3 3 / 3 3 3 3 \ 3 3 3 / 3 3 _________________________ 3 / __________ / 3611 3*I*\/ 48942255 3*3 / ---- + ---------------- \/ 2 2
=
/ 1 \ / 1 \ / / 1 \ \ / / 1 \ \ 484*re|----------------------------------------------| 484*re|----------------------------------------------| / / __________\\ | 484*im|----------------------------------------------| / / __________\\ / / __________\\| | 484*im|----------------------------------------------| / / __________\\ / / __________\\| | _________________________| | _________________________| _________________________ | |3*\/ 48942255 || | | _________________________| | |3*\/ 48942255 || | |3*\/ 48942255 ||| | | _________________________| | |3*\/ 48942255 || | |3*\/ 48942255 ||| |/ ___\ / __________ | |/ ___\ / __________ | / __________ |atan|--------------|| | |/ ___\ / __________ | |atan|--------------|| |atan|--------------||| | |/ ___\ / __________ | |atan|--------------|| |atan|--------------||| || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | / 3611 3*I*\/ 48942255 | \ 3611 /| | || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | | \ 3611 /| ___ | \ 3611 /|| | || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | | \ 3611 /| ___ | \ 3611 /|| ||- - + -------|*3 / ---- + ---------------- | ||- - - -------|*3 / ---- + ---------------- | 3 / ---- + ---------------- 22*cos|--------------------| | ||- - + -------|*3 / ---- + ---------------- | 11*sin|--------------------| 11*\/ 3 *cos|--------------------|| | ||- - - -------|*3 / ---- + ---------------- | 11*sin|--------------------| 11*\/ 3 *cos|--------------------|| 484 \\ 2 2 / \/ 2 2 / \\ 2 2 / \/ 2 2 / \/ 2 2 \ 3 / | \\ 2 2 / \/ 2 2 / \ 3 / \ 3 /| | \\ 2 2 / \/ 2 2 / \ 3 / \ 3 /| -1 - -------------------------------- - ------------------------------------------------------ - ------------------------------------------------------ - ------------------------------ + ---------------------------- + I*|- ------------------------------------------------------ + ---------------------------- - ----------------------------------| + I*|- ------------------------------------------------------ + ---------------------------- + ----------------------------------| _________________________ 3 3 3 3 \ 3 3 3 / \ 3 3 3 / / __________ / 3611 3*I*\/ 48942255 3*3 / ---- + ---------------- \/ 2 2
producto
/ / 1 \ / / 1 \ \ \ / / 1 \ / / 1 \ \ \ | 484*re|----------------------------------------------| / / __________\\ | 484*im|----------------------------------------------| / / __________\\ / / __________\\| / / __________\\| | 484*re|----------------------------------------------| / / __________\\ | 484*im|----------------------------------------------| / / __________\\ / / __________\\| / / __________\\| | | _________________________| | |3*\/ 48942255 || | | _________________________| | |3*\/ 48942255 || | |3*\/ 48942255 ||| | |3*\/ 48942255 ||| | | _________________________| | |3*\/ 48942255 || | | _________________________| | |3*\/ 48942255 || | |3*\/ 48942255 ||| | |3*\/ 48942255 ||| / _________________________\ | |/ ___\ / __________ | |atan|--------------|| | |/ ___\ / __________ | |atan|--------------|| |atan|--------------||| |atan|--------------||| | |/ ___\ / __________ | |atan|--------------|| | |/ ___\ / __________ | |atan|--------------|| |atan|--------------||| |atan|--------------||| | / __________ | | || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | | \ 3611 /| | || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | | \ 3611 /| ___ | \ 3611 /|| ___ | \ 3611 /|| | || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | | \ 3611 /| | || 1 I*\/ 3 | / 3611 3*I*\/ 48942255 | | \ 3611 /| ___ | \ 3611 /|| ___ | \ 3611 /|| | / 3611 3*I*\/ 48942255 | | ||- - - -------|*3 / ---- + ---------------- | 11*cos|--------------------| | ||- - - -------|*3 / ---- + ---------------- | 11*sin|--------------------| 11*\/ 3 *cos|--------------------|| 11*\/ 3 *sin|--------------------|| | ||- - + -------|*3 / ---- + ---------------- | 11*cos|--------------------| | ||- - + -------|*3 / ---- + ---------------- | 11*sin|--------------------| 11*\/ 3 *cos|--------------------|| 11*\/ 3 *sin|--------------------|| | 3 / ---- + ---------------- | | 1 \\ 2 2 / \/ 2 2 / \ 3 / | \\ 2 2 / \/ 2 2 / \ 3 / \ 3 /| \ 3 /| | 1 \\ 2 2 / \/ 2 2 / \ 3 / | \\ 2 2 / \/ 2 2 / \ 3 / \ 3 /| \ 3 /| | 1 484 \/ 2 2 | |- - - ------------------------------------------------------ + ---------------------------- + I*|- ------------------------------------------------------ + ---------------------------- + ----------------------------------| - ----------------------------------|*|- - - ------------------------------------------------------ + ---------------------------- + I*|- ------------------------------------------------------ + ---------------------------- - ----------------------------------| + ----------------------------------|*|- - - -------------------------------- - ------------------------------| \ 3 3 3 \ 3 3 3 / 3 / \ 3 3 3 \ 3 3 3 / 3 / | 3 _________________________ 3 | | / __________ | | / 3611 3*I*\/ 48942255 | | 3*3 / ---- + ---------------- | \ \/ 2 2 /
=
/ / / __________\\ / / __________\\\ | | |3*\/ 48942255 || | |3*\/ 48942255 ||| / _________________________ / _________________________\\ | |2*atan|--------------|| |atan|--------------||| | 3 ___ 3 / __________ | 2/3 3 / __________ || | | \ 3611 /| | \ 3611 /|| \968*\/ 2 + \/ 3611 + 3*I*\/ 48942255 *\2 + 2 *\/ 3611 + 3*I*\/ 48942255 //*|483 - 968*cos|----------------------| + 44*cos|--------------------|| \ \ 3 / \ 3 // --------------------------------------------------------------------------------------------------------------------------------------------------------- _________________________ 3 / __________ 54*\/ 3611 + 3*I*\/ 48942255
(968*2^(1/3) + (3611 + 3*i*sqrt(48942255))^(1/3)*(2 + 2^(2/3)*(3611 + 3*i*sqrt(48942255))^(1/3)))*(483 - 968*cos(2*atan(3*sqrt(48942255)/3611)/3) + 44*cos(atan(3*sqrt(48942255)/3611)/3))/(54*(3611 + 3*i*sqrt(48942255))^(1/3))
x1 = 11.9316179797821
x2 = 0.499215080312488
x3 = -13.4308330600946
x3 = -13.4308330600946