El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$\left(\sin{\left(\sqrt{3} x \right)} + \cos{\left(\sqrt{3} x \right)}\right) e^{- x} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = - \frac{\sqrt{3} \pi}{12}$$
Solución numérica$$x_{1} = 8.61554698011254$$
$$x_{2} = 32.1949387151574$$
$$x_{3} = 73.9123240925444$$
$$x_{4} = -24.0328415761034$$
$$x_{5} = -2.26724920529277$$
$$x_{6} = 72.0985247283102$$
$$x_{7} = 3.17414888740988$$
$$x_{8} = -11.3362460264639$$
$$x_{9} = 4.9879482516441$$
$$x_{10} = 86.6089196421839$$
$$x_{11} = -31.2880390330403$$
$$x_{12} = 66.6571266356075$$
$$x_{13} = -4.08104856952699$$
$$x_{14} = 55.7743304502022$$
$$x_{15} = -25.8466409403376$$
$$x_{16} = -22.2190422118692$$
$$x_{17} = 15.8707444370494$$
$$x_{18} = 26.7535406224547$$
$$x_{19} = 70.2847253640759$$
$$x_{20} = 12.243145708581$$
$$x_{21} = 28.5673399866889$$
$$x_{22} = 93.8641170991208$$
$$x_{23} = 10.4293463443468$$
$$x_{24} = -13.1500453906981$$
$$x_{25} = 50.3329323574995$$
$$x_{26} = 53.960531085968$$
$$x_{27} = 48.5191329932653$$
$$x_{28} = 34.0087380793916$$
$$x_{29} = -5.89484793376121$$
$$x_{30} = 95.677916463355$$
$$x_{31} = 101.119314556058$$
$$x_{32} = 37.63633680786$$
$$x_{33} = 81.1675215494813$$
$$x_{34} = 30.3811393509231$$
$$x_{35} = 90.2365183706523$$
$$x_{36} = 82.9813209137155$$
$$x_{37} = 23.1259418939863$$
$$x_{38} = 6.80174761587832$$
$$x_{39} = 68.4709259998417$$
$$x_{40} = 24.9397412582205$$
$$x_{41} = 75.7261234567786$$
$$x_{42} = -29.474239668806$$
$$x_{43} = 108.374512012995$$
$$x_{44} = 88.4227190064181$$
$$x_{45} = 14.0569450728152$$
$$x_{46} = -7.70864729799543$$
$$x_{47} = 92.0503177348866$$
$$x_{48} = 52.1467317217338$$
$$x_{49} = 64.8433272713733$$
$$x_{50} = -14.9638447549323$$
$$x_{51} = -18.5914434834007$$
$$x_{52} = 43.0777349005627$$
$$x_{53} = 17.6845438012836$$
$$x_{54} = -9.52244666222964$$
$$x_{55} = 46.7053336290311$$
$$x_{56} = 84.7951202779497$$
$$x_{57} = 44.8915342647969$$
$$x_{58} = 63.0295279071391$$
$$x_{59} = -27.6604403045718$$
$$x_{60} = 35.8225374436258$$
$$x_{61} = 59.4019291786706$$