El profesor se sorprenderá mucho al ver tu solución correcta😉
2 3 5 x + - + 1 + x - - - 1 = -- - 1 x x 2 x
suma
_______________ / _______________ \ _______________ / _______________ \ / ______ | / ______ | / ______ | / ______ | / 65 \/ 7473 | ___ / 65 \/ 7473 | / 65 \/ 7473 | ___ / 65 \/ 7473 | _______________ 3 / -- + -------- | \/ 3 *3 / -- + -------- ___ | 3 / -- + -------- |\/ 3 *3 / -- + -------- ___ | / ______ 1 7 \/ 54 72 | \/ 54 72 7*\/ 3 | 1 7 \/ 54 72 | \/ 54 72 7*\/ 3 | 1 / 65 \/ 7473 7 - - - ----------------------- - -------------------- + I*|- -------------------------- + -----------------------| + - - - ----------------------- - -------------------- + I*|-------------------------- - -----------------------| + - - + 3 / -- + -------- + ----------------------- 6 _______________ 2 | 2 _______________| 6 _______________ 2 | 2 _______________| 6 \/ 54 72 _______________ / ______ | / ______ | / ______ | / ______ | / ______ / 65 \/ 7473 | / 65 \/ 7473 | / 65 \/ 7473 | / 65 \/ 7473 | / 65 \/ 7473 72*3 / -- + -------- | 72*3 / -- + -------- | 72*3 / -- + -------- | 72*3 / -- + -------- | 36*3 / -- + -------- \/ 54 72 \ \/ 54 72 / \/ 54 72 \ \/ 54 72 / \/ 54 72
=
/ _______________ \ / _______________ \ | / ______ | | / ______ | | ___ / 65 \/ 7473 | | ___ / 65 \/ 7473 | |\/ 3 *3 / -- + -------- ___ | | \/ 3 *3 / -- + -------- ___ | 1 | \/ 54 72 7*\/ 3 | | \/ 54 72 7*\/ 3 | - - + I*|-------------------------- - -----------------------| + I*|- -------------------------- + -----------------------| 2 | 2 _______________| | 2 _______________| | / ______ | | / ______ | | / 65 \/ 7473 | | / 65 \/ 7473 | | 72*3 / -- + -------- | | 72*3 / -- + -------- | \ \/ 54 72 / \ \/ 54 72 /
producto
/ _______________ / _______________ \\ / _______________ / _______________ \\ | / ______ | / ______ || | / ______ | / ______ || | / 65 \/ 7473 | ___ / 65 \/ 7473 || | / 65 \/ 7473 | ___ / 65 \/ 7473 || / _______________ \ | 3 / -- + -------- | \/ 3 *3 / -- + -------- ___ || | 3 / -- + -------- |\/ 3 *3 / -- + -------- ___ || | / ______ | | 1 7 \/ 54 72 | \/ 54 72 7*\/ 3 || | 1 7 \/ 54 72 | \/ 54 72 7*\/ 3 || | 1 / 65 \/ 7473 7 | |- - - ----------------------- - -------------------- + I*|- -------------------------- + -----------------------||*|- - - ----------------------- - -------------------- + I*|-------------------------- - -----------------------||*|- - + 3 / -- + -------- + -----------------------| | 6 _______________ 2 | 2 _______________|| | 6 _______________ 2 | 2 _______________|| | 6 \/ 54 72 _______________| | / ______ | / ______ || | / ______ | / ______ || | / ______ | | / 65 \/ 7473 | / 65 \/ 7473 || | / 65 \/ 7473 | / 65 \/ 7473 || | / 65 \/ 7473 | | 72*3 / -- + -------- | 72*3 / -- + -------- || | 72*3 / -- + -------- | 72*3 / -- + -------- || | 36*3 / -- + -------- | \ \/ 54 72 \ \/ 54 72 // \ \/ 54 72 \ \/ 54 72 // \ \/ 54 72 /
=
5/2
5/2
_______________ / _______________ \ / ______ | / ______ | / 65 \/ 7473 | ___ / 65 \/ 7473 | 3 / -- + -------- | \/ 3 *3 / -- + -------- ___ | 1 7 \/ 54 72 | \/ 54 72 7*\/ 3 | x1 = - - - ----------------------- - -------------------- + I*|- -------------------------- + -----------------------| 6 _______________ 2 | 2 _______________| / ______ | / ______ | / 65 \/ 7473 | / 65 \/ 7473 | 72*3 / -- + -------- | 72*3 / -- + -------- | \/ 54 72 \ \/ 54 72 /
_______________ / _______________ \ / ______ | / ______ | / 65 \/ 7473 | ___ / 65 \/ 7473 | 3 / -- + -------- |\/ 3 *3 / -- + -------- ___ | 1 7 \/ 54 72 | \/ 54 72 7*\/ 3 | x2 = - - - ----------------------- - -------------------- + I*|-------------------------- - -----------------------| 6 _______________ 2 | 2 _______________| / ______ | / ______ | / 65 \/ 7473 | / 65 \/ 7473 | 72*3 / -- + -------- | 72*3 / -- + -------- | \/ 54 72 \ \/ 54 72 /
_______________ / ______ 1 / 65 \/ 7473 7 x3 = - - + 3 / -- + -------- + ----------------------- 6 \/ 54 72 _______________ / ______ / 65 \/ 7473 36*3 / -- + -------- \/ 54 72
x3 = -1/6 + 7/(36*(sqrt(7473)/72 + 65/54)^(1/3)) + (sqrt(7473)/72 + 65/54)^(1/3)
x1 = -0.909075336774673 - 1.03449435330565*i
x2 = -0.909075336774673 + 1.03449435330565*i
x3 = 1.31815067354935
x3 = 1.31815067354935