El profesor se sorprenderá mucho al ver tu solución correcta😉
2 /9*y \ 2 |--- - 2| + (y - 5) = 25 \ 4 /
a*y^2 + b*y + c = 0
D = b^2 - 4 * a * c =
(-19)^2 - 4 * (97/16) * (4) = 264
y1 = (-b + sqrt(D)) / (2*a)
y2 = (-b - sqrt(D)) / (2*a)
____ 152 16*\/ 66 y1 = --- - --------- 97 97
____ 152 16*\/ 66 y2 = --- + --------- 97 97
y2 = 16*sqrt(66)/97 + 152/97
suma
____ ____ 152 16*\/ 66 152 16*\/ 66 --- - --------- + --- + --------- 97 97 97 97
=
304 --- 97
producto
/ ____\ / ____\ |152 16*\/ 66 | |152 16*\/ 66 | |--- - ---------|*|--- + ---------| \ 97 97 / \ 97 97 /
=
64 -- 97
64/97