Сумма и произведение корней
[src] / / / ___\\\ / / ___\\ / / / ___\\\ / / ___\\ / / / ___\\\ / / ___\\ / / / ___\\\ / / ___\\
| 4 _____ |atan\17*\/ 3 /|| 4 _____ |atan\17*\/ 3 /| | 4 _____ |atan\17*\/ 3 /|| 4 _____ |atan\17*\/ 3 /| | 4 _____ |atan\17*\/ 3 /|| 4 _____ |atan\17*\/ 3 /| | 4 _____ |atan\17*\/ 3 /|| 4 _____ |atan\17*\/ 3 /|
| ___ \/ 217 *cos|--------------|| \/ 217 *sin|--------------| | ___ \/ 217 *cos|--------------|| \/ 217 *sin|--------------| | ___ \/ 217 *cos|--------------|| \/ 217 *sin|--------------| | ___ \/ 217 *cos|--------------|| \/ 217 *sin|--------------|
3 | 3*\/ 3 \ 2 /| \ 2 / 3 |3*\/ 3 \ 2 /| \ 2 / 3 |3*\/ 3 \ 2 /| \ 2 / 3 | 3*\/ 3 \ 2 /| \ 2 /
1 + 2 + - - + I*|- ------- + ---------------------------| + --------------------------- + - - + I*|------- + ---------------------------| - --------------------------- + - - + I*|------- - ---------------------------| + --------------------------- + - - + I*|- ------- - ---------------------------| - ---------------------------
4 \ 4 2 / 2 4 \ 4 2 / 2 4 \ 4 2 / 2 4 \ 4 2 / 2
−24217sin(2atan(173))−43+i−24217cos(2atan(173))−433+−43+24217sin(2atan(173))+i−24217cos(2atan(173))+433+(1+2)+−43+24217sin(2atan(173))+i−433+24217cos(2atan(173))+−24217sin(2atan(173))−43+i433+24217cos(2atan(173)) / / / ___\\\ / / / ___\\\ / / / ___\\\ / / / ___\\\
| 4 _____ |atan\17*\/ 3 /|| | 4 _____ |atan\17*\/ 3 /|| | 4 _____ |atan\17*\/ 3 /|| | 4 _____ |atan\17*\/ 3 /||
| ___ \/ 217 *cos|--------------|| | ___ \/ 217 *cos|--------------|| | ___ \/ 217 *cos|--------------|| | ___ \/ 217 *cos|--------------||
| 3*\/ 3 \ 2 /| | 3*\/ 3 \ 2 /| |3*\/ 3 \ 2 /| |3*\/ 3 \ 2 /|
I*|- ------- + ---------------------------| + I*|- ------- - ---------------------------| + I*|------- + ---------------------------| + I*|------- - ---------------------------|
\ 4 2 / \ 4 2 / \ 4 2 / \ 4 2 /
i−24217cos(2atan(173))−433+i−24217cos(2atan(173))+433+i−433+24217cos(2atan(173))+i433+24217cos(2atan(173)) / / / / ___\\\ / / ___\\\ / / / / ___\\\ / / ___\\\ / / / / ___\\\ / / ___\\\ / / / / ___\\\ / / ___\\\
| | 4 _____ |atan\17*\/ 3 /|| 4 _____ |atan\17*\/ 3 /|| | | 4 _____ |atan\17*\/ 3 /|| 4 _____ |atan\17*\/ 3 /|| | | 4 _____ |atan\17*\/ 3 /|| 4 _____ |atan\17*\/ 3 /|| | | 4 _____ |atan\17*\/ 3 /|| 4 _____ |atan\17*\/ 3 /||
| | ___ \/ 217 *cos|--------------|| \/ 217 *sin|--------------|| | | ___ \/ 217 *cos|--------------|| \/ 217 *sin|--------------|| | | ___ \/ 217 *cos|--------------|| \/ 217 *sin|--------------|| | | ___ \/ 217 *cos|--------------|| \/ 217 *sin|--------------||
| 3 | 3*\/ 3 \ 2 /| \ 2 /| | 3 |3*\/ 3 \ 2 /| \ 2 /| | 3 |3*\/ 3 \ 2 /| \ 2 /| | 3 | 3*\/ 3 \ 2 /| \ 2 /|
2*|- - + I*|- ------- + ---------------------------| + ---------------------------|*|- - + I*|------- + ---------------------------| - ---------------------------|*|- - + I*|------- - ---------------------------| + ---------------------------|*|- - + I*|- ------- - ---------------------------| - ---------------------------|
\ 4 \ 4 2 / 2 / \ 4 \ 4 2 / 2 / \ 4 \ 4 2 / 2 / \ 4 \ 4 2 / 2 /
2−43+24217sin(2atan(173))+i−433+24217cos(2atan(173))−24217sin(2atan(173))−43+i433+24217cos(2atan(173))−43+24217sin(2atan(173))+i−24217cos(2atan(173))+433−24217sin(2atan(173))−43+i−24217cos(2atan(173))−433