Найду корень уравнения: x^3=x+5
______________ / ______________ \ / ______ | / ______ | / 5 \/ 2013 | ___ / 5 \/ 2013 | 3 / - + -------- | \/ 3 *3 / - + -------- ___ | \/ 2 18 1 | \/ 2 18 \/ 3 | x1 = - ------------------- - --------------------- + I*|- ------------------------- + ---------------------| 2 ______________ | 2 ______________| / ______ | / ______ | / 5 \/ 2013 | / 5 \/ 2013 | 6*3 / - + -------- | 6*3 / - + -------- | \/ 2 18 \ \/ 2 18 /
______________ / ______________ \ / ______ | / ______ | / 5 \/ 2013 | ___ / 5 \/ 2013 | 3 / - + -------- |\/ 3 *3 / - + -------- ___ | \/ 2 18 1 | \/ 2 18 \/ 3 | x2 = - ------------------- - --------------------- + I*|------------------------- - ---------------------| 2 ______________ | 2 ______________| / ______ | / ______ | / 5 \/ 2013 | / 5 \/ 2013 | 6*3 / - + -------- | 6*3 / - + -------- | \/ 2 18 \ \/ 2 18 /
______________ / ______ / 5 \/ 2013 1 x3 = 3 / - + -------- + --------------------- \/ 2 18 ______________ / ______ / 5 \/ 2013 3*3 / - + -------- \/ 2 18
x1 = -0.952080429567 + 1.31124804408*i
x2 = -0.952080429567 - 1.31124804408*i
x3 = 1.90416085913000