El profesor se sorprenderá mucho al ver tu solución correcta😉
2 2 1 x - 2*x - 13 = - - -- x 2 x
___ 3 \/ 5 x1 = - - - ----- 2 2
___ 3 \/ 5 x2 = - - + ----- 2 2
____ 5 \/ 21 x3 = - - ------ 2 2
____ 5 \/ 21 x4 = - + ------ 2 2
x4 = sqrt(21)/2 + 5/2
suma
___ ___ ____ ____ 3 \/ 5 3 \/ 5 5 \/ 21 5 \/ 21 - - - ----- + - - + ----- + - - ------ + - + ------ 2 2 2 2 2 2 2 2
=
2
producto
/ ___\ / ___\ / ____\ / ____\ | 3 \/ 5 | | 3 \/ 5 | |5 \/ 21 | |5 \/ 21 | |- - - -----|*|- - + -----|*|- - ------|*|- + ------| \ 2 2 / \ 2 2 / \2 2 / \2 2 /
=
1
1
x1 = -2.61803398874989
x2 = -0.381966011250105
x3 = 0.20871215252208
x4 = 4.79128784747792
x4 = 4.79128784747792