Найду корень уравнения: x^5+x+1=0
_______________ / _______________\ / ____ | / ____ | / 25 3*\/ 69 | ___ / 25 3*\/ 69 | 3 / -- + -------- | ___ \/ 3 *3 / -- + -------- | 1 1 \/ 2 2 | \/ 3 \/ 2 2 | x1 = - + ---------------------- + -------------------- + I*|- ---------------------- + --------------------------| 3 _______________ 6 | _______________ 6 | / ____ | / ____ | / 25 3*\/ 69 | / 25 3*\/ 69 | 6*3 / -- + -------- | 6*3 / -- + -------- | \/ 2 2 \ \/ 2 2 /
_______________ / _______________ \ / ____ | / ____ | / 25 3*\/ 69 | ___ / 25 3*\/ 69 | 3 / -- + -------- | \/ 3 *3 / -- + -------- ___ | 1 1 \/ 2 2 | \/ 2 2 \/ 3 | x2 = - + ---------------------- + -------------------- + I*|- -------------------------- + ----------------------| 3 _______________ 6 | 6 _______________| / ____ | / ____ | / 25 3*\/ 69 | / 25 3*\/ 69 | 6*3 / -- + -------- | 6*3 / -- + -------- | \/ 2 2 \ \/ 2 2 /
_______________ / ____ / 25 3*\/ 69 3 / -- + -------- 1 1 \/ 2 2 x3 = - - ---------------------- - -------------------- 3 _______________ 3 / ____ / 25 3*\/ 69 3*3 / -- + -------- \/ 2 2
___ 1 I*\/ 3 x4 = - - - ------- 2 2
___ 1 I*\/ 3 x5 = - - + ------- 2 2
x1 = 0.877438833123 - 0.74486176662*i
x2 = -0.754877666247000
x3 = 0.877438833123 + 0.74486176662*i
x4 = -0.5 + 0.866025403784*i
x5 = -0.5 - 0.866025403784*i