El profesor se sorprenderá mucho al ver tu solución correcta😉
3 x - 10*x - 1225*x - 8000 = 0
suma
/ 1 \ / / 1 \ \ / 1 \ / / 1 \ \ 1235*re|-----------------------------------------------| |1235*im|-----------------------------------------------| / / ___________\\ / / ___________\\| / / ___________\\ / / ___________\\ 1235*re|-----------------------------------------------| |1235*im|-----------------------------------------------| / / ___________\\ / / ___________\\| / / ___________\\ / / ___________\\ | __________________________ | | | __________________________ | | |\/ 174198345 || | |\/ 174198345 ||| | |\/ 174198345 || | |\/ 174198345 || | __________________________ | | | __________________________ | | |\/ 174198345 || | |\/ 174198345 ||| | |\/ 174198345 || | |\/ 174198345 || | / ___________ / ___\| | | / ___________ / ___\| |atan|-------------|| |atan|-------------||| |atan|-------------|| |atan|-------------|| | / ___________ / ___\| | | / ___________ / ___\| |atan|-------------|| |atan|-------------||| |atan|-------------|| |atan|-------------|| | / 5*I*\/ 174198345 | 1 I*\/ 3 || | | / 5*I*\/ 174198345 | 1 I*\/ 3 || ______ | \ 7200 /| ______ | \ 7200 /|| ______ | \ 7200 /| ______ | \ 7200 /| | / 5*I*\/ 174198345 | 1 I*\/ 3 || | | / 5*I*\/ 174198345 | 1 I*\/ 3 || ______ | \ 7200 /| ______ | \ 7200 /|| ______ | \ 7200 /| ______ | \ 7200 /| __________________________ |3 / 4000 + ----------------- *|- - - -------|| | |3 / 4000 + ----------------- *|- - - -------|| \/ 1235 *cos|-------------------| \/ 3705 *sin|-------------------|| \/ 1235 *sin|-------------------| \/ 3705 *cos|-------------------| |3 / 4000 + ----------------- *|- - + -------|| | |3 / 4000 + ----------------- *|- - + -------|| \/ 1235 *cos|-------------------| \/ 3705 *sin|-------------------|| \/ 1235 *sin|-------------------| \/ 3705 *cos|-------------------| / ___________ \\/ 9 \ 2 2 // | \\/ 9 \ 2 2 // \ 3 / \ 3 /| \ 3 / \ 3 / \\/ 9 \ 2 2 // | \\/ 9 \ 2 2 // \ 3 / \ 3 /| \ 3 / \ 3 / / 5*I*\/ 174198345 1235 -------------------------------------------------------- + I*|-------------------------------------------------------- - --------------------------------- - ---------------------------------| + --------------------------------- - --------------------------------- + -------------------------------------------------------- + I*|-------------------------------------------------------- + --------------------------------- - ---------------------------------| - --------------------------------- - --------------------------------- + 3 / 4000 + ----------------- + --------------------------------- 3 \ 3 2 6 / 2 6 3 \ 3 2 6 / 2 6 \/ 9 __________________________ / ___________ / 5*I*\/ 174198345 3*3 / 4000 + ----------------- \/ 9
=
/ 1 \ / 1 \ / / 1 \ \ / / 1 \ \ 1235*re|-----------------------------------------------| 1235*re|-----------------------------------------------| |1235*im|-----------------------------------------------| / / ___________\\ / / ___________\\| |1235*im|-----------------------------------------------| / / ___________\\ / / ___________\\| / / ___________\\ | __________________________ | | __________________________ | | | __________________________ | | |\/ 174198345 || | |\/ 174198345 ||| | | __________________________ | | |\/ 174198345 || | |\/ 174198345 ||| | |\/ 174198345 || | / ___________ / ___\| | / ___________ / ___\| | | / ___________ / ___\| |atan|-------------|| |atan|-------------||| | | / ___________ / ___\| |atan|-------------|| |atan|-------------||| |atan|-------------|| __________________________ | / 5*I*\/ 174198345 | 1 I*\/ 3 || | / 5*I*\/ 174198345 | 1 I*\/ 3 || | | / 5*I*\/ 174198345 | 1 I*\/ 3 || ______ | \ 7200 /| ______ | \ 7200 /|| | | / 5*I*\/ 174198345 | 1 I*\/ 3 || ______ | \ 7200 /| ______ | \ 7200 /|| ______ | \ 7200 /| / ___________ |3 / 4000 + ----------------- *|- - + -------|| |3 / 4000 + ----------------- *|- - - -------|| | |3 / 4000 + ----------------- *|- - + -------|| \/ 1235 *cos|-------------------| \/ 3705 *sin|-------------------|| | |3 / 4000 + ----------------- *|- - - -------|| \/ 1235 *cos|-------------------| \/ 3705 *sin|-------------------|| \/ 3705 *cos|-------------------| / 5*I*\/ 174198345 1235 \\/ 9 \ 2 2 // \\/ 9 \ 2 2 // | \\/ 9 \ 2 2 // \ 3 / \ 3 /| | \\/ 9 \ 2 2 // \ 3 / \ 3 /| \ 3 / 3 / 4000 + ----------------- + --------------------------------- + -------------------------------------------------------- + -------------------------------------------------------- + I*|-------------------------------------------------------- + --------------------------------- - ---------------------------------| + I*|-------------------------------------------------------- - --------------------------------- - ---------------------------------| - --------------------------------- \/ 9 __________________________ 3 3 \ 3 2 6 / \ 3 2 6 / 3 / ___________ / 5*I*\/ 174198345 3*3 / 4000 + ----------------- \/ 9
producto
/ / 1 \ / / 1 \ \ \ / / 1 \ / / 1 \ \ \ |1235*re|-----------------------------------------------| |1235*im|-----------------------------------------------| / / ___________\\ / / ___________\\| / / ___________\\ / / ___________\\| |1235*re|-----------------------------------------------| |1235*im|-----------------------------------------------| / / ___________\\ / / ___________\\| / / ___________\\ / / ___________\\| | | __________________________ | | | __________________________ | | |\/ 174198345 || | |\/ 174198345 ||| | |\/ 174198345 || | |\/ 174198345 ||| | | __________________________ | | | __________________________ | | |\/ 174198345 || | |\/ 174198345 ||| | |\/ 174198345 || | |\/ 174198345 ||| | | / ___________ / ___\| | | / ___________ / ___\| |atan|-------------|| |atan|-------------||| |atan|-------------|| |atan|-------------||| | | / ___________ / ___\| | | / ___________ / ___\| |atan|-------------|| |atan|-------------||| |atan|-------------|| |atan|-------------||| | | / 5*I*\/ 174198345 | 1 I*\/ 3 || | | / 5*I*\/ 174198345 | 1 I*\/ 3 || ______ | \ 7200 /| ______ | \ 7200 /|| ______ | \ 7200 /| ______ | \ 7200 /|| | | / 5*I*\/ 174198345 | 1 I*\/ 3 || | | / 5*I*\/ 174198345 | 1 I*\/ 3 || ______ | \ 7200 /| ______ | \ 7200 /|| ______ | \ 7200 /| ______ | \ 7200 /|| / __________________________ \ | |3 / 4000 + ----------------- *|- - - -------|| | |3 / 4000 + ----------------- *|- - - -------|| \/ 1235 *cos|-------------------| \/ 3705 *sin|-------------------|| \/ 1235 *sin|-------------------| \/ 3705 *cos|-------------------|| | |3 / 4000 + ----------------- *|- - + -------|| | |3 / 4000 + ----------------- *|- - + -------|| \/ 1235 *cos|-------------------| \/ 3705 *sin|-------------------|| \/ 1235 *sin|-------------------| \/ 3705 *cos|-------------------|| | / ___________ | | \\/ 9 \ 2 2 // | \\/ 9 \ 2 2 // \ 3 / \ 3 /| \ 3 / \ 3 /| | \\/ 9 \ 2 2 // | \\/ 9 \ 2 2 // \ 3 / \ 3 /| \ 3 / \ 3 /| | / 5*I*\/ 174198345 1235 | |-------------------------------------------------------- + I*|-------------------------------------------------------- - --------------------------------- - ---------------------------------| + --------------------------------- - ---------------------------------|*|-------------------------------------------------------- + I*|-------------------------------------------------------- + --------------------------------- - ---------------------------------| - --------------------------------- - ---------------------------------|*|3 / 4000 + ----------------- + ---------------------------------| \ 3 \ 3 2 6 / 2 6 / \ 3 \ 3 2 6 / 2 6 / |\/ 9 __________________________| | / ___________ | | / 5*I*\/ 174198345 | | 3*3 / 4000 + ----------------- | \ \/ 9 /
=
/ / / ___________\\\ | | |\/ 174198345 ||| | |2*atan|-------------||| | | \ 7200 /|| | cos|---------------------|| / 2/3 \ 3 ___ 2/3 | 1 \ 3 /| |/ ___________\ 3 ___| 988*\/ 3 *5 *|- - + --------------------------|*\\36000 + 5*I*\/ 174198345 / + 1235*\/ 3 / \ 4 2 / ----------------------------------------------------------------------------------------------- ________________________ 3 / ___________ 9*\/ 7200 + I*\/ 174198345
988*3^(1/3)*5^(2/3)*(-1/4 + cos(2*atan(sqrt(174198345)/7200)/3)/2)*((36000 + 5*i*sqrt(174198345))^(2/3) + 1235*3^(1/3))/(9*(7200 + i*sqrt(174198345))^(1/3))
/ 1 \ / / 1 \ \ 1235*re|-----------------------------------------------| |1235*im|-----------------------------------------------| / / ___________\\ / / ___________\\| / / ___________\\ / / ___________\\ | __________________________ | | | __________________________ | | |\/ 174198345 || | |\/ 174198345 ||| | |\/ 174198345 || | |\/ 174198345 || | / ___________ / ___\| | | / ___________ / ___\| |atan|-------------|| |atan|-------------||| |atan|-------------|| |atan|-------------|| | / 5*I*\/ 174198345 | 1 I*\/ 3 || | | / 5*I*\/ 174198345 | 1 I*\/ 3 || ______ | \ 7200 /| ______ | \ 7200 /|| ______ | \ 7200 /| ______ | \ 7200 /| |3 / 4000 + ----------------- *|- - - -------|| | |3 / 4000 + ----------------- *|- - - -------|| \/ 1235 *cos|-------------------| \/ 3705 *sin|-------------------|| \/ 1235 *sin|-------------------| \/ 3705 *cos|-------------------| \\/ 9 \ 2 2 // | \\/ 9 \ 2 2 // \ 3 / \ 3 /| \ 3 / \ 3 / x1 = -------------------------------------------------------- + I*|-------------------------------------------------------- - --------------------------------- - ---------------------------------| + --------------------------------- - --------------------------------- 3 \ 3 2 6 / 2 6
/ 1 \ / / 1 \ \ 1235*re|-----------------------------------------------| |1235*im|-----------------------------------------------| / / ___________\\ / / ___________\\| / / ___________\\ / / ___________\\ | __________________________ | | | __________________________ | | |\/ 174198345 || | |\/ 174198345 ||| | |\/ 174198345 || | |\/ 174198345 || | / ___________ / ___\| | | / ___________ / ___\| |atan|-------------|| |atan|-------------||| |atan|-------------|| |atan|-------------|| | / 5*I*\/ 174198345 | 1 I*\/ 3 || | | / 5*I*\/ 174198345 | 1 I*\/ 3 || ______ | \ 7200 /| ______ | \ 7200 /|| ______ | \ 7200 /| ______ | \ 7200 /| |3 / 4000 + ----------------- *|- - + -------|| | |3 / 4000 + ----------------- *|- - + -------|| \/ 1235 *cos|-------------------| \/ 3705 *sin|-------------------|| \/ 1235 *sin|-------------------| \/ 3705 *cos|-------------------| \\/ 9 \ 2 2 // | \\/ 9 \ 2 2 // \ 3 / \ 3 /| \ 3 / \ 3 / x2 = -------------------------------------------------------- + I*|-------------------------------------------------------- + --------------------------------- - ---------------------------------| - --------------------------------- - --------------------------------- 3 \ 3 2 6 / 2 6
__________________________ / ___________ / 5*I*\/ 174198345 1235 x3 = 3 / 4000 + ----------------- + --------------------------------- \/ 9 __________________________ / ___________ / 5*I*\/ 174198345 3*3 / 4000 + ----------------- \/ 9
x3 = 1235/(3*(4000 + 5*sqrt(174198345)*i/9)^(1/3)) + (4000 + 5*sqrt(174198345)*i/9)^(1/3)
x1 = -31.2948361841325
x2 = -6.72387872229458 + 2.16840434497101e-19*i
x3 = 38.0187149064271
x3 = 38.0187149064271