El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$e^{x} x^{5} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = 0$$
Solución numérica$$x_{1} = -78.5938206116598$$
$$x_{2} = -121.873072311935$$
$$x_{3} = -72.78111392386$$
$$x_{4} = -100.138144200895$$
$$x_{5} = -68.9303498571571$$
$$x_{6} = -76.6520353100444$$
$$x_{7} = -53.8663749209093$$
$$x_{8} = -55.7053138027862$$
$$x_{9} = -63.203700759395$$
$$x_{10} = -52.0468879719824$$
$$x_{11} = -102.10838811719$$
$$x_{12} = -82.4881017429899$$
$$x_{13} = -106.052879934533$$
$$x_{14} = -61.3116844143123$$
$$x_{15} = -46.7486890118024$$
$$x_{16} = -74.714319096109$$
$$x_{17} = -86.3946014159142$$
$$x_{18} = -67.0140624380037$$
$$x_{19} = -117.912691620425$$
$$x_{20} = -113.955573445251$$
$$x_{21} = -94.2366645482349$$
$$x_{22} = -80.5392889805181$$
$$x_{23} = -59.4301507848393$$
$$x_{24} = -111.978366295904$$
$$x_{25} = -84.4399605227193$$
$$x_{26} = -50.2506338869203$$
$$x_{27} = -108.026952287924$$
$$x_{28} = -96.2021656600697$$
$$x_{29} = -57.5607081773421$$
$$x_{30} = -92.272998566361$$
$$x_{31} = -90.3113180352068$$
$$x_{32} = -70.852928212213$$
$$x_{33} = -65.10486557711$$
$$x_{34} = 0$$
$$x_{35} = -48.4824588083384$$
$$x_{36} = -115.933700055035$$
$$x_{37} = -110.002137787397$$
$$x_{38} = -119.89249785946$$
$$x_{39} = -104.079997294078$$
$$x_{40} = -88.3517901497362$$
$$x_{41} = -98.1693663786158$$