El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$e^{2 x} x^{3} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = 0$$
Solución numérica$$x_{1} = -62.6508140275173$$
$$x_{2} = -60.6614987155986$$
$$x_{3} = -78.5869294581148$$
$$x_{4} = -110.518543401738$$
$$x_{5} = -104.527939308469$$
$$x_{6} = -29.1071900711482$$
$$x_{7} = -50.7297515751177$$
$$x_{8} = -86.5646580898247$$
$$x_{9} = -96.5424311904081$$
$$x_{10} = -90.555126874967$$
$$x_{11} = -74.6000513478691$$
$$x_{12} = -58.6730174895362$$
$$x_{13} = -72.6072153990698$$
$$x_{14} = -18.1122919112643$$
$$x_{15} = -68.6229467082619$$
$$x_{16} = -94.5464691714069$$
$$x_{17} = -108.521551706035$$
$$x_{18} = -38.8694255689854$$
$$x_{19} = -82.575202095162$$
$$x_{20} = -23.4026679483209$$
$$x_{21} = -27.1847870068416$$
$$x_{22} = -98.5385701261658$$
$$x_{23} = -88.5597752315274$$
$$x_{24} = -106.524681183788$$
$$x_{25} = -48.7473767659859$$
$$x_{26} = -46.7668007251064$$
$$x_{27} = -80.5809057405138$$
$$x_{28} = -84.5697936615502$$
$$x_{29} = -70.6148323902208$$
$$x_{30} = -56.6854720969889$$
$$x_{31} = -54.6989815591298$$
$$x_{32} = -31.0431171887559$$
$$x_{33} = -44.7883142482593$$
$$x_{34} = -34.9434369193675$$
$$x_{35} = 0$$
$$x_{36} = -25.2807629023143$$
$$x_{37} = -32.9892960591807$$
$$x_{38} = -40.8391254993128$$
$$x_{39} = -102.531334181189$$
$$x_{40} = -21.5629884401858$$
$$x_{41} = -66.6316087403812$$
$$x_{42} = -100.534874598018$$
$$x_{43} = -36.9038877039971$$
$$x_{44} = -92.5506965178828$$
$$x_{45} = -42.8122745602699$$
$$x_{46} = -19.7842014847282$$
$$x_{47} = -64.6408759243171$$
$$x_{48} = -52.7136860047625$$
$$x_{49} = -76.5933009820656$$