El profesor se sorprenderá mucho al ver tu solución correcta😉
2 x 7*x + 1/49 - x *7 - --*x + 4 = 0 28
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(7)^2 - 4 * (-197/28) * (197/49) = 55616/343
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
suma
______ ______ 98 16*\/ 6083 98 16*\/ 6083 --- - ----------- + --- + ----------- 197 1379 197 1379
=
196 --- 197
producto
/ ______\ / ______\ | 98 16*\/ 6083 | | 98 16*\/ 6083 | |--- - -----------|*|--- + -----------| \197 1379 / \197 1379 /
=
-4/7
-4/7
______ 98 16*\/ 6083 x1 = --- - ----------- 197 1379
______ 98 16*\/ 6083 x2 = --- + ----------- 197 1379
x2 = 98/197 + 16*sqrt(6083)/1379