El profesor se sorprenderá mucho al ver tu solución correcta😉
/ 2 \ log(1/5)*\x - 4*x + 8/ = -1
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(4*log(5))^2 - 4 * (-log(5)) * (1 - 8*log(5)) = 16*log(5)^2 + 4*(1 - 8*log(5))*log(5)
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
suma
_______________ _______________ I*\/ -1 + log(625) I*\/ -1 + log(625) 2 - ------------------- + 2 + ------------------- ________ ________ \/ log(5) \/ log(5)
=
4
producto
/ _______________\ / _______________\ | I*\/ -1 + log(625) | | I*\/ -1 + log(625) | |2 - -------------------|*|2 + -------------------| | ________ | | ________ | \ \/ log(5) / \ \/ log(5) /
=
-1 + log(390625) ---------------- log(5)
(-1 + log(390625))/log(5)
_______________ I*\/ -1 + log(625) x1 = 2 - ------------------- ________ \/ log(5)
_______________ I*\/ -1 + log(625) x2 = 2 + ------------------- ________ \/ log(5)
x2 = 2 + i*sqrt(-1 + log(625))/sqrt(log(5))
x1 = 2.0 - 1.83811454089248*i
x2 = 2.0 + 1.83811454089248*i
x2 = 2.0 + 1.83811454089248*i