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2/ 2 \ log \x - 4*x + 7/ = 2
_____________ / ___ / \/ 2 x1 = 2 - \/ -3 + e
_____________ / ___ / \/ 2 x2 = 2 + \/ -3 + e
_____________ / ___ / -\/ 2 x3 = 2 - I*\/ 3 - e
_____________ / ___ / -\/ 2 x4 = 2 + I*\/ 3 - e
x4 = 2 + i*sqrt(3 - exp(-sqrt(2)))
suma
_____________ _____________ _____________ _____________ / ___ / ___ / ___ / ___ / \/ 2 / \/ 2 / -\/ 2 / -\/ 2 2 - \/ -3 + e + 2 + \/ -3 + e + 2 - I*\/ 3 - e + 2 + I*\/ 3 - e
=
8
producto
/ _____________\ / _____________\ / _____________\ / _____________\ | / ___ | | / ___ | | / ___ | | / ___ | | / \/ 2 | | / \/ 2 | | / -\/ 2 | | / -\/ 2 | \2 - \/ -3 + e /*\2 + \/ -3 + e /*\2 - I*\/ 3 - e /*\2 + I*\/ 3 - e /
=
/ ___\ 50 - 14*cosh\\/ 2 /
50 - 14*cosh(sqrt(2))
x1 = 2.0 - 1.66038648078265*i
x2 = 2.0 + 1.66038648078265*i
x3 = 0.944893190817665
x4 = 3.05510680918233
x4 = 3.05510680918233