Найду корень уравнения: x^8=-64
___________ ___________
/ ___ / ___
3/4 / 1 \/ 2 3/4 / 1 \/ 2
x1 = - 2 * / - - ----- + I*2 * / - + -----
\/ 2 4 \/ 2 4 ___________ ___________
/ ___ / ___
3/4 / 1 \/ 2 3/4 / 1 \/ 2
x2 = 2 * / - - ----- - I*2 * / - + -----
\/ 2 4 \/ 2 4 ___________ ___________
/ ___ / ___
3/4 / 1 \/ 2 3/4 / 1 \/ 2
x3 = - 2 * / - + ----- - I*2 * / - - -----
\/ 2 4 \/ 2 4 ___________ ___________
/ ___ / ___
3/4 / 1 \/ 2 3/4 / 1 \/ 2
x4 = 2 * / - + ----- + I*2 * / - - -----
\/ 2 4 \/ 2 4 / ___________ ___________\ ___________ ___________
| / ___ / ___ | / ___ / ___
|4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2
x5 = I*|\/ 2 * / - - ----- + \/ 2 * / - + ----- | + \/ 2 * / - + ----- - \/ 2 * / - - -----
\ \/ 2 4 \/ 2 4 / \/ 2 4 \/ 2 4 / ___________ ___________\ ___________ ___________
| / ___ / ___ | / ___ / ___
|4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2
x6 = I*|\/ 2 * / - - ----- - \/ 2 * / - + ----- | + \/ 2 * / - - ----- + \/ 2 * / - + -----
\ \/ 2 4 \/ 2 4 / \/ 2 4 \/ 2 4 / ___________ ___________\ ___________ ___________
| / ___ / ___ | / ___ / ___
|4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2
x7 = I*|\/ 2 * / - + ----- - \/ 2 * / - - ----- | - \/ 2 * / - - ----- - \/ 2 * / - + -----
\ \/ 2 4 \/ 2 4 / \/ 2 4 \/ 2 4 / ___________ ___________\ ___________ ___________
| / ___ / ___ | / ___ / ___
| 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2
x8 = I*|- \/ 2 * / - - ----- - \/ 2 * / - + ----- | + \/ 2 * / - - ----- - \/ 2 * / - + -----
\ \/ 2 4 \/ 2 4 / \/ 2 4 \/ 2 4 сумма
___________ ___________ ___________ ___________ ___________ ___________ ___________ ___________ / ___________ ___________\ ___________ ___________ / ___________ ___________\ ___________ ___________ / ___________ ___________\ ___________ ___________ / ___________ ___________\ ___________ ___________
/ ___ / ___ / ___ / ___ / ___ / ___ / ___ / ___ | / ___ / ___ | / ___ / ___ | / ___ / ___ | / ___ / ___ | / ___ / ___ | / ___ / ___ | / ___ / ___ | / ___ / ___
3/4 / 1 \/ 2 3/4 / 1 \/ 2 3/4 / 1 \/ 2 3/4 / 1 \/ 2 3/4 / 1 \/ 2 3/4 / 1 \/ 2 3/4 / 1 \/ 2 3/4 / 1 \/ 2 |4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 |4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 |4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2
0 + - 2 * / - - ----- + I*2 * / - + ----- + 2 * / - - ----- - I*2 * / - + ----- + - 2 * / - + ----- - I*2 * / - - ----- + 2 * / - + ----- + I*2 * / - - ----- + I*|\/ 2 * / - - ----- + \/ 2 * / - + ----- | + \/ 2 * / - + ----- - \/ 2 * / - - ----- + I*|\/ 2 * / - - ----- - \/ 2 * / - + ----- | + \/ 2 * / - - ----- + \/ 2 * / - + ----- + I*|\/ 2 * / - + ----- - \/ 2 * / - - ----- | - \/ 2 * / - - ----- - \/ 2 * / - + ----- + I*|- \/ 2 * / - - ----- - \/ 2 * / - + ----- | + \/ 2 * / - - ----- - \/ 2 * / - + -----
\/ 2 4 \/ 2 4 \/ 2 4 \/ 2 4 \/ 2 4 \/ 2 4 \/ 2 4 \/ 2 4 \ \/ 2 4 \/ 2 4 / \/ 2 4 \/ 2 4 \ \/ 2 4 \/ 2 4 / \/ 2 4 \/ 2 4 \ \/ 2 4 \/ 2 4 / \/ 2 4 \/ 2 4 \ \/ 2 4 \/ 2 4 / \/ 2 4 \/ 2 4 =
/ ___________ ___________\ / ___________ ___________\ / ___________ ___________\ / ___________ ___________\ | / ___ / ___ | | / ___ / ___ | | / ___ / ___ | | / ___ / ___ | |4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | |4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | |4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | | 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | I*|\/ 2 * / - - ----- + \/ 2 * / - + ----- | + I*|\/ 2 * / - - ----- - \/ 2 * / - + ----- | + I*|\/ 2 * / - + ----- - \/ 2 * / - - ----- | + I*|- \/ 2 * / - - ----- - \/ 2 * / - + ----- | \ \/ 2 4 \/ 2 4 / \ \/ 2 4 \/ 2 4 / \ \/ 2 4 \/ 2 4 / \ \/ 2 4 \/ 2 4 /
произведение
/ ___________ ___________\ / ___________ ___________\ / ___________ ___________\ / ___________ ___________\ / / ___________ ___________\ ___________ ___________\ / / ___________ ___________\ ___________ ___________\ / / ___________ ___________\ ___________ ___________\ / / ___________ ___________\ ___________ ___________\ | / ___ / ___ | | / ___ / ___ | | / ___ / ___ | | / ___ / ___ | | | / ___ / ___ | / ___ / ___ | | | / ___ / ___ | / ___ / ___ | | | / ___ / ___ | / ___ / ___ | | | / ___ / ___ | / ___ / ___ | | 3/4 / 1 \/ 2 3/4 / 1 \/ 2 | | 3/4 / 1 \/ 2 3/4 / 1 \/ 2 | | 3/4 / 1 \/ 2 3/4 / 1 \/ 2 | | 3/4 / 1 \/ 2 3/4 / 1 \/ 2 | | |4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | | |4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | | |4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | | | 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | 4 ___ / 1 \/ 2 4 ___ / 1 \/ 2 | 1*|- 2 * / - - ----- + I*2 * / - + ----- |*|2 * / - - ----- - I*2 * / - + ----- |*|- 2 * / - + ----- - I*2 * / - - ----- |*|2 * / - + ----- + I*2 * / - - ----- |*|I*|\/ 2 * / - - ----- + \/ 2 * / - + ----- | + \/ 2 * / - + ----- - \/ 2 * / - - ----- |*|I*|\/ 2 * / - - ----- - \/ 2 * / - + ----- | + \/ 2 * / - - ----- + \/ 2 * / - + ----- |*|I*|\/ 2 * / - + ----- - \/ 2 * / - - ----- | - \/ 2 * / - - ----- - \/ 2 * / - + ----- |*|I*|- \/ 2 * / - - ----- - \/ 2 * / - + ----- | + \/ 2 * / - - ----- - \/ 2 * / - + ----- | \ \/ 2 4 \/ 2 4 / \ \/ 2 4 \/ 2 4 / \ \/ 2 4 \/ 2 4 / \ \/ 2 4 \/ 2 4 / \ \ \/ 2 4 \/ 2 4 / \/ 2 4 \/ 2 4 / \ \ \/ 2 4 \/ 2 4 / \/ 2 4 \/ 2 4 / \ \ \/ 2 4 \/ 2 4 / \/ 2 4 \/ 2 4 / \ \ \/ 2 4 \/ 2 4 / \/ 2 4 \/ 2 4 /
=
64
x1 = 1.55377397403004 - 0.643594252905583*i
x2 = -1.55377397403004 - 0.643594252905583*i
x3 = -0.643594252905583 - 1.55377397403004*i
x4 = -0.643594252905583 + 1.55377397403004*i
x5 = 1.55377397403004 + 0.643594252905583*i
x6 = -1.55377397403004 + 0.643594252905583*i
x7 = 0.643594252905583 + 1.55377397403004*i
x8 = 0.643594252905583 - 1.55377397403004*i
![Решите уравнение x^8=-64 (х в степени 8 равно минус 64) - Найдите корень уравнения подробно по-шагам. [Есть ответ!] x^8=-64 (уравнение) /media/krcore-image-pods/hash/equation/9/97/5edb7f0ee410d5da842a34b6f9907.png](/media/krcore-image-pods/hash/equation/9/97/5edb7f0ee410d5da842a34b6f9907.png)