El profesor se sorprenderá mucho al ver tu solución correcta😉
2 (2*x + 1)*(x - 3) 2*x - 5*x - 3 ----------------- + 11 + - -------------- + x = 0 x 3
/ 1 \ / / 1 \ \ 161*re|---------------------------------------| |161*im|---------------------------------------| / / ______\\ / / ______\\| / / ______\\ / / ______\\ | __________________| | | __________________| | |27*\/ 3202 || | |27*\/ 3202 ||| | |27*\/ 3202 || | |27*\/ 3202 || |/ ___\ / ______ | | |/ ___\ / ______ | |atan|-----------|| |atan|-----------||| |atan|-----------|| |atan|-----------|| || 1 I*\/ 3 | / 613 I*\/ 3202 | | || 1 I*\/ 3 | / 613 I*\/ 3202 | _____ | \ 2452 /| _____ | \ 2452 /|| _____ | \ 2452 /| _____ | \ 2452 /| ||- - - -------|*3 / --- + ---------- | | ||- - - -------|*3 / --- + ---------- | \/ 322 *sin|-----------------| \/ 966 *cos|-----------------|| \/ 322 *cos|-----------------| \/ 966 *sin|-----------------| 7 \\ 2 2 / \/ 27 4 / | \\ 2 2 / \/ 27 4 / \ 3 / \ 3 /| \ 3 / \ 3 / x1 = - + ----------------------------------------------- + I*|----------------------------------------------- - ------------------------------ - ------------------------------| - ------------------------------ + ------------------------------ 3 18 \ 18 12 12 / 12 12
/ 1 \ / / 1 \ \ 161*re|---------------------------------------| |161*im|---------------------------------------| / / ______\\ / / ______\\| / / ______\\ / / ______\\ | __________________| | | __________________| | |27*\/ 3202 || | |27*\/ 3202 ||| | |27*\/ 3202 || | |27*\/ 3202 || |/ ___\ / ______ | | |/ ___\ / ______ | |atan|-----------|| |atan|-----------||| |atan|-----------|| |atan|-----------|| || 1 I*\/ 3 | / 613 I*\/ 3202 | | || 1 I*\/ 3 | / 613 I*\/ 3202 | _____ | \ 2452 /| _____ | \ 2452 /|| _____ | \ 2452 /| _____ | \ 2452 /| ||- - + -------|*3 / --- + ---------- | | ||- - + -------|*3 / --- + ---------- | \/ 322 *sin|-----------------| \/ 966 *cos|-----------------|| \/ 322 *cos|-----------------| \/ 966 *sin|-----------------| 7 \\ 2 2 / \/ 27 4 / | \\ 2 2 / \/ 27 4 / \ 3 / \ 3 /| \ 3 / \ 3 / x2 = - + ----------------------------------------------- + I*|----------------------------------------------- - ------------------------------ + ------------------------------| - ------------------------------ - ------------------------------ 3 18 \ 18 12 12 / 12 12
__________________ / ______ 7 / 613 I*\/ 3202 161 x3 = - + 3 / --- + ---------- + -------------------------- 3 \/ 27 4 __________________ / ______ / 613 I*\/ 3202 18*3 / --- + ---------- \/ 27 4
x3 = 7/3 + 161/(18*(613/27 + sqrt(3202)*i/4)^(1/3)) + (613/27 + sqrt(3202)*i/4)^(1/3)
suma
/ 1 \ / / 1 \ \ / 1 \ / / 1 \ \ 161*re|---------------------------------------| |161*im|---------------------------------------| / / ______\\ / / ______\\| / / ______\\ / / ______\\ 161*re|---------------------------------------| |161*im|---------------------------------------| / / ______\\ / / ______\\| / / ______\\ / / ______\\ | __________________| | | __________________| | |27*\/ 3202 || | |27*\/ 3202 ||| | |27*\/ 3202 || | |27*\/ 3202 || | __________________| | | __________________| | |27*\/ 3202 || | |27*\/ 3202 ||| | |27*\/ 3202 || | |27*\/ 3202 || |/ ___\ / ______ | | |/ ___\ / ______ | |atan|-----------|| |atan|-----------||| |atan|-----------|| |atan|-----------|| |/ ___\ / ______ | | |/ ___\ / ______ | |atan|-----------|| |atan|-----------||| |atan|-----------|| |atan|-----------|| || 1 I*\/ 3 | / 613 I*\/ 3202 | | || 1 I*\/ 3 | / 613 I*\/ 3202 | _____ | \ 2452 /| _____ | \ 2452 /|| _____ | \ 2452 /| _____ | \ 2452 /| || 1 I*\/ 3 | / 613 I*\/ 3202 | | || 1 I*\/ 3 | / 613 I*\/ 3202 | _____ | \ 2452 /| _____ | \ 2452 /|| _____ | \ 2452 /| _____ | \ 2452 /| __________________ ||- - - -------|*3 / --- + ---------- | | ||- - - -------|*3 / --- + ---------- | \/ 322 *sin|-----------------| \/ 966 *cos|-----------------|| \/ 322 *cos|-----------------| \/ 966 *sin|-----------------| ||- - + -------|*3 / --- + ---------- | | ||- - + -------|*3 / --- + ---------- | \/ 322 *sin|-----------------| \/ 966 *cos|-----------------|| \/ 322 *cos|-----------------| \/ 966 *sin|-----------------| / ______ 7 \\ 2 2 / \/ 27 4 / | \\ 2 2 / \/ 27 4 / \ 3 / \ 3 /| \ 3 / \ 3 / 7 \\ 2 2 / \/ 27 4 / | \\ 2 2 / \/ 27 4 / \ 3 / \ 3 /| \ 3 / \ 3 / 7 / 613 I*\/ 3202 161 - + ----------------------------------------------- + I*|----------------------------------------------- - ------------------------------ - ------------------------------| - ------------------------------ + ------------------------------ + - + ----------------------------------------------- + I*|----------------------------------------------- - ------------------------------ + ------------------------------| - ------------------------------ - ------------------------------ + - + 3 / --- + ---------- + -------------------------- 3 18 \ 18 12 12 / 12 12 3 18 \ 18 12 12 / 12 12 3 \/ 27 4 __________________ / ______ / 613 I*\/ 3202 18*3 / --- + ---------- \/ 27 4
=
/ 1 \ / 1 \ / / 1 \ \ / / 1 \ \ 161*re|---------------------------------------| 161*re|---------------------------------------| |161*im|---------------------------------------| / / ______\\ / / ______\\| |161*im|---------------------------------------| / / ______\\ / / ______\\| / / ______\\ | __________________| | __________________| | | __________________| | |27*\/ 3202 || | |27*\/ 3202 ||| | | __________________| | |27*\/ 3202 || | |27*\/ 3202 ||| | |27*\/ 3202 || |/ ___\ / ______ | |/ ___\ / ______ | | |/ ___\ / ______ | |atan|-----------|| |atan|-----------||| | |/ ___\ / ______ | |atan|-----------|| |atan|-----------||| |atan|-----------|| __________________ || 1 I*\/ 3 | / 613 I*\/ 3202 | || 1 I*\/ 3 | / 613 I*\/ 3202 | | || 1 I*\/ 3 | / 613 I*\/ 3202 | _____ | \ 2452 /| _____ | \ 2452 /|| | || 1 I*\/ 3 | / 613 I*\/ 3202 | _____ | \ 2452 /| _____ | \ 2452 /|| _____ | \ 2452 /| / ______ ||- - + -------|*3 / --- + ---------- | ||- - - -------|*3 / --- + ---------- | | ||- - + -------|*3 / --- + ---------- | \/ 322 *sin|-----------------| \/ 966 *cos|-----------------|| | ||- - - -------|*3 / --- + ---------- | \/ 322 *sin|-----------------| \/ 966 *cos|-----------------|| \/ 322 *cos|-----------------| / 613 I*\/ 3202 161 \\ 2 2 / \/ 27 4 / \\ 2 2 / \/ 27 4 / | \\ 2 2 / \/ 27 4 / \ 3 / \ 3 /| | \\ 2 2 / \/ 27 4 / \ 3 / \ 3 /| \ 3 / 7 + 3 / --- + ---------- + -------------------------- + ----------------------------------------------- + ----------------------------------------------- + I*|----------------------------------------------- - ------------------------------ + ------------------------------| + I*|----------------------------------------------- - ------------------------------ - ------------------------------| - ------------------------------ \/ 27 4 __________________ 18 18 \ 18 12 12 / \ 18 12 12 / 6 / ______ / 613 I*\/ 3202 18*3 / --- + ---------- \/ 27 4
producto
/ / 1 \ / / 1 \ \ \ / / 1 \ / / 1 \ \ \ | 161*re|---------------------------------------| |161*im|---------------------------------------| / / ______\\ / / ______\\| / / ______\\ / / ______\\| | 161*re|---------------------------------------| |161*im|---------------------------------------| / / ______\\ / / ______\\| / / ______\\ / / ______\\| | | __________________| | | __________________| | |27*\/ 3202 || | |27*\/ 3202 ||| | |27*\/ 3202 || | |27*\/ 3202 ||| | | __________________| | | __________________| | |27*\/ 3202 || | |27*\/ 3202 ||| | |27*\/ 3202 || | |27*\/ 3202 ||| | |/ ___\ / ______ | | |/ ___\ / ______ | |atan|-----------|| |atan|-----------||| |atan|-----------|| |atan|-----------||| | |/ ___\ / ______ | | |/ ___\ / ______ | |atan|-----------|| |atan|-----------||| |atan|-----------|| |atan|-----------||| | || 1 I*\/ 3 | / 613 I*\/ 3202 | | || 1 I*\/ 3 | / 613 I*\/ 3202 | _____ | \ 2452 /| _____ | \ 2452 /|| _____ | \ 2452 /| _____ | \ 2452 /|| | || 1 I*\/ 3 | / 613 I*\/ 3202 | | || 1 I*\/ 3 | / 613 I*\/ 3202 | _____ | \ 2452 /| _____ | \ 2452 /|| _____ | \ 2452 /| _____ | \ 2452 /|| / __________________ \ | ||- - - -------|*3 / --- + ---------- | | ||- - - -------|*3 / --- + ---------- | \/ 322 *sin|-----------------| \/ 966 *cos|-----------------|| \/ 322 *cos|-----------------| \/ 966 *sin|-----------------|| | ||- - + -------|*3 / --- + ---------- | | ||- - + -------|*3 / --- + ---------- | \/ 322 *sin|-----------------| \/ 966 *cos|-----------------|| \/ 322 *cos|-----------------| \/ 966 *sin|-----------------|| | / ______ | |7 \\ 2 2 / \/ 27 4 / | \\ 2 2 / \/ 27 4 / \ 3 / \ 3 /| \ 3 / \ 3 /| |7 \\ 2 2 / \/ 27 4 / | \\ 2 2 / \/ 27 4 / \ 3 / \ 3 /| \ 3 / \ 3 /| |7 / 613 I*\/ 3202 161 | |- + ----------------------------------------------- + I*|----------------------------------------------- - ------------------------------ - ------------------------------| - ------------------------------ + ------------------------------|*|- + ----------------------------------------------- + I*|----------------------------------------------- - ------------------------------ + ------------------------------| - ------------------------------ - ------------------------------|*|- + 3 / --- + ---------- + --------------------------| \3 18 \ 18 12 12 / 12 12 / \3 18 \ 18 12 12 / 12 12 / |3 \/ 27 4 __________________| | / ______ | | / 613 I*\/ 3202 | | 18*3 / --- + ---------- | \ \/ 27 4 /
=
/ / / ______\\ / / ______\\\ | | |27*\/ 3202 || | |27*\/ 3202 ||| / ______________________ / ______________________\\ | |2*atan|-----------|| |atan|-----------||| | 2/3 3 / ______ | 3 / ______ || | | \ 2452 /| _____ | \ 2452 /|| \161*2 + \/ 2452 + 27*I*\/ 3202 *\14 + \/ 4904 + 54*I*\/ 3202 //*|-126 + 644*cos|-------------------| - 28*\/ 322 *cos|-----------------|| \ \ 3 / \ 3 // ------------------------------------------------------------------------------------------------------------------------------------------------- ______________________ 3 / ______ 216*\/ 2452 + 27*I*\/ 3202
(161*2^(2/3) + (2452 + 27*i*sqrt(3202))^(1/3)*(14 + (4904 + 54*i*sqrt(3202))^(1/3)))*(-126 + 644*cos(2*atan(27*sqrt(3202)/2452)/3) - 28*sqrt(322)*cos(atan(27*sqrt(3202)/2452)/3))/(216*(2452 + 27*i*sqrt(3202))^(1/3))
x1 = 0.350689982882025 + 0.e-20*i
x2 = -1.56259138813688 + 0.e-22*i
x3 = 8.21190140525485 - 0.e-20*i
x3 = 8.21190140525485 - 0.e-20*i