El profesor se sorprenderá mucho al ver tu solución correcta😉
2 / 2 \ \x + 5*x/ - 2*(x + 5*x) - 24 = 0
suma
________________ / ________________ \ ________________ / ________________ \ / ____ | / ____ | / ____ | / ____ | / 127 2*\/ 43 | ___ / 127 2*\/ 43 | / 127 2*\/ 43 | ___ / 127 2*\/ 43 | ________________ 3 / --- + -------- | \/ 3 *3 / --- + -------- ___ | 3 / --- + -------- |\/ 3 *3 / --- + -------- ___ | / ____ 11 13 \/ 27 3 | \/ 27 3 13*\/ 3 | 11 13 \/ 27 3 | \/ 27 3 13*\/ 3 | 11 / 127 2*\/ 43 13 1 + - -- - ------------------------ - --------------------- + I*|- --------------------------- + ------------------------| + - -- - ------------------------ - --------------------- + I*|--------------------------- - ------------------------| + - -- + 3 / --- + -------- + ----------------------- 3 ________________ 2 | 2 ________________| 3 ________________ 2 | 2 ________________| 3 \/ 27 3 ________________ / ____ | / ____ | / ____ | / ____ | / ____ / 127 2*\/ 43 | / 127 2*\/ 43 | / 127 2*\/ 43 | / 127 2*\/ 43 | / 127 2*\/ 43 18*3 / --- + -------- | 18*3 / --- + -------- | 18*3 / --- + -------- | 18*3 / --- + -------- | 9*3 / --- + -------- \/ 27 3 \ \/ 27 3 / \/ 27 3 \ \/ 27 3 / \/ 27 3
=
/ ________________ \ / ________________ \ | / ____ | | / ____ | | ___ / 127 2*\/ 43 | | ___ / 127 2*\/ 43 | |\/ 3 *3 / --- + -------- ___ | | \/ 3 *3 / --- + -------- ___ | | \/ 27 3 13*\/ 3 | | \/ 27 3 13*\/ 3 | -10 + I*|--------------------------- - ------------------------| + I*|- --------------------------- + ------------------------| | 2 ________________| | 2 ________________| | / ____ | | / ____ | | / 127 2*\/ 43 | | / 127 2*\/ 43 | | 18*3 / --- + -------- | | 18*3 / --- + -------- | \ \/ 27 3 / \ \/ 27 3 /
producto
/ ________________ / ________________ \\ / ________________ / ________________ \\ | / ____ | / ____ || | / ____ | / ____ || | / 127 2*\/ 43 | ___ / 127 2*\/ 43 || | / 127 2*\/ 43 | ___ / 127 2*\/ 43 || / ________________ \ | 3 / --- + -------- | \/ 3 *3 / --- + -------- ___ || | 3 / --- + -------- |\/ 3 *3 / --- + -------- ___ || | / ____ | | 11 13 \/ 27 3 | \/ 27 3 13*\/ 3 || | 11 13 \/ 27 3 | \/ 27 3 13*\/ 3 || | 11 / 127 2*\/ 43 13 | |- -- - ------------------------ - --------------------- + I*|- --------------------------- + ------------------------||*|- -- - ------------------------ - --------------------- + I*|--------------------------- - ------------------------||*|- -- + 3 / --- + -------- + -----------------------| | 3 ________________ 2 | 2 ________________|| | 3 ________________ 2 | 2 ________________|| | 3 \/ 27 3 ________________| | / ____ | / ____ || | / ____ | / ____ || | / ____ | | / 127 2*\/ 43 | / 127 2*\/ 43 || | / 127 2*\/ 43 | / 127 2*\/ 43 || | / 127 2*\/ 43 | | 18*3 / --- + -------- | 18*3 / --- + -------- || | 18*3 / --- + -------- | 18*3 / --- + -------- || | 9*3 / --- + -------- | \ \/ 27 3 \ \/ 27 3 // \ \/ 27 3 \ \/ 27 3 // \ \/ 27 3 /
=
-24
-24
x1 = 1
________________ / ________________ \ / ____ | / ____ | / 127 2*\/ 43 | ___ / 127 2*\/ 43 | 3 / --- + -------- | \/ 3 *3 / --- + -------- ___ | 11 13 \/ 27 3 | \/ 27 3 13*\/ 3 | x2 = - -- - ------------------------ - --------------------- + I*|- --------------------------- + ------------------------| 3 ________________ 2 | 2 ________________| / ____ | / ____ | / 127 2*\/ 43 | / 127 2*\/ 43 | 18*3 / --- + -------- | 18*3 / --- + -------- | \/ 27 3 \ \/ 27 3 /
________________ / ________________ \ / ____ | / ____ | / 127 2*\/ 43 | ___ / 127 2*\/ 43 | 3 / --- + -------- |\/ 3 *3 / --- + -------- ___ | 11 13 \/ 27 3 | \/ 27 3 13*\/ 3 | x3 = - -- - ------------------------ - --------------------- + I*|--------------------------- - ------------------------| 3 ________________ 2 | 2 ________________| / ____ | / ____ | / 127 2*\/ 43 | / 127 2*\/ 43 | 18*3 / --- + -------- | 18*3 / --- + -------- | \/ 27 3 \ \/ 27 3 /
________________ / ____ 11 / 127 2*\/ 43 13 x4 = - -- + 3 / --- + -------- + ----------------------- 3 \/ 27 3 ________________ / ____ / 127 2*\/ 43 9*3 / --- + -------- \/ 27 3
x4 = -11/3 + 13/(9*(2*sqrt(43)/3 + 127/27)^(1/3)) + (2*sqrt(43)/3 + 127/27)^(1/3)
x1 = -0.888305779071753
x2 = 1.0
x3 = -5.05584711046412 + 1.20670360194812*i
x4 = -5.05584711046412 - 1.20670360194812*i
x4 = -5.05584711046412 - 1.20670360194812*i