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e^x*cos(x)-2*e^x*sin(x)+2*e^x*(-cos(x))=0 la ecuación

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Solución numérica:

Buscar la solución numérica en el intervalo [, ]

Solución

Ha introducido [src]
 x             x             x              
E *cos(x) - 2*E *sin(x) + 2*E *(-cos(x)) = 0
$$2 e^{x} \left(- \cos{\left(x \right)}\right) + \left(e^{x} \cos{\left(x \right)} - 2 e^{x} \sin{\left(x \right)}\right) = 0$$
Gráfica
Suma y producto de raíces [src]
suma
-atan(1/2)
$$- \operatorname{atan}{\left(\frac{1}{2} \right)}$$
=
-atan(1/2)
$$- \operatorname{atan}{\left(\frac{1}{2} \right)}$$
producto
-atan(1/2)
$$- \operatorname{atan}{\left(\frac{1}{2} \right)}$$
=
-atan(1/2)
$$- \operatorname{atan}{\left(\frac{1}{2} \right)}$$
-atan(1/2)
Respuesta rápida [src]
x1 = -atan(1/2)
$$x_{1} = - \operatorname{atan}{\left(\frac{1}{2} \right)}$$
x1 = -atan(1/2)
Respuesta numérica [src]
x1 = -38.1627594520783
x2 = -47.5875374128477
x3 = -35.0211667984885
x4 = -22.4547961841294
x5 = 27.8106862733073
x6 = -0.463647609000806
x7 = -9.88842556977019
x8 = -13.03001822336
x9 = -57.0123153736171
x10 = -53.8707227200273
x11 = 8.96113035176857
x12 = -63.2955006807967
x13 = -94.7114272166946
x14 = -82.1450566023354
x15 = -69.5786859879763
x16 = -75.8618712951559
x17 = -88.428241909515
x18 = -41.3043521056681
x19 = -6.74683291618039
x20 = 2.67794504458899
x21 = -16.1716108769498
x22 = -44.4459447592579
x23 = -100.994612523874
x24 = -25.5963888377192
x25 = 30.9522789268971
x26 = -50.7291300664375
x27 = 15.2443156589482
x28 = 5.81953769817878
x29 = -66.4370933343865
x30 = 18.385908312538
x31 = -91.5698345631048
x32 = -97.8530198702844
x33 = -72.7202786415661
x34 = -31.8795741448987
x35 = -19.3132035305396
x36 = 21.5275009661277
x37 = -3.6052402625906
x38 = -60.1539080272069
x39 = 12.1027230053584
x40 = 24.6690936197175
x41 = -79.0034639487456
x42 = -28.7379814913089
x43 = -85.2866492559252
x43 = -85.2866492559252