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a*w^2 + b*w + c = 0
D = b^2 - 4 * a * c =
(1)^2 - 4 * (-2) * (6) = 49
w1 = (-b + sqrt(D)) / (2*a)
w2 = (-b - sqrt(D)) / (2*a)
suma
/ ___\ / ___\ pi |3 \/ 5 | pi |3 \/ 5 | pi / ___\ pi / ___\ - -- + I*log|- - -----| + - -- + I*log|- + -----| + -- - I*log\2 - \/ 3 / + -- - I*log\2 + \/ 3 / 2 \2 2 / 2 \2 2 / 2 2
=
/ ___\ / ___\ |3 \/ 5 | |3 \/ 5 | / ___\ / ___\ I*log|- + -----| + I*log|- - -----| - I*log\2 + \/ 3 / - I*log\2 - \/ 3 / \2 2 / \2 2 /
producto
/ / ___\\ / / ___\\ | pi |3 \/ 5 || | pi |3 \/ 5 || /pi / ___\\ /pi / ___\\ |- -- + I*log|- - -----||*|- -- + I*log|- + -----||*|-- - I*log\2 - \/ 3 /|*|-- - I*log\2 + \/ 3 /| \ 2 \2 2 // \ 2 \2 2 // \2 / \2 /
=
/ / 2\\ / / 2\\ / / 2\\ / / 2\\ | |/ ___\ || | |/ ___\ || | |/ ___\ || | |/ ___\ || | |\3 + \/ 5 / || | |\3 - \/ 5 / || \pi - I*log\\2 + \/ 3 / //*\pi - I*log\\2 - \/ 3 / //*|pi - I*log|------------||*|pi - I*log|------------|| \ \ 4 // \ \ 4 // ----------------------------------------------------------------------------------------------------------- 16
(pi - i*log((2 + sqrt(3))^2))*(pi - i*log((2 - sqrt(3))^2))*(pi - i*log((3 + sqrt(5))^2/4))*(pi - i*log((3 - sqrt(5))^2/4))/16
/ ___\ pi |3 \/ 5 | x1 = - -- + I*log|- - -----| 2 \2 2 /
/ ___\ pi |3 \/ 5 | x2 = - -- + I*log|- + -----| 2 \2 2 /
pi / ___\ x3 = -- - I*log\2 - \/ 3 / 2
pi / ___\ x4 = -- - I*log\2 + \/ 3 / 2
x4 = pi/2 - i*log(sqrt(3) + 2)
x1 = -1.5707963267949 - 0.962423650119207*i
x2 = -1.5707963267949 + 0.962423650119207*i
x3 = 1.5707963267949 + 1.31695789692482*i
x4 = 1.5707963267949 - 1.31695789692482*i
x4 = 1.5707963267949 - 1.31695789692482*i