El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$e^{- x} x^{\frac{3}{2}} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = 0$$
Solución numérica$$x_{1} = 83.6297678108818$$
$$x_{2} = 115.48936373418$$
$$x_{3} = 34.8033212207677$$
$$x_{4} = 91.5838429083057$$
$$x_{5} = 69.7419161035913$$
$$x_{6} = 93.5738010471943$$
$$x_{7} = 67.7627288915097$$
$$x_{8} = 117.483459902708$$
$$x_{9} = 40.4055004723602$$
$$x_{10} = 85.617326249947$$
$$x_{11} = 36.6432245813612$$
$$x_{12} = 95.5642501346713$$
$$x_{13} = 107.5154915286$$
$$x_{14} = 109.508551221346$$
$$x_{15} = 119.477778813687$$
$$x_{16} = 97.5551549072824$$
$$x_{17} = 105.522733756964$$
$$x_{18} = 113.495503701179$$
$$x_{19} = 46.1685165966735$$
$$x_{20} = 52.0098021851468$$
$$x_{21} = 121.472308070103$$
$$x_{22} = 61.8357195981482$$
$$x_{23} = 59.864352326783$$
$$x_{24} = 0$$
$$x_{25} = 55.9299764123067$$
$$x_{26} = 111.501894295186$$
$$x_{27} = 57.8956403034269$$
$$x_{28} = 33.0066666456712$$
$$x_{29} = 65.7851621080254$$
$$x_{30} = 101.538206618454$$
$$x_{31} = 79.6569241794953$$
$$x_{32} = 53.9678363722954$$
$$x_{33} = 75.6876060815096$$
$$x_{34} = 73.704492350949$$
$$x_{35} = 50.0565941858213$$
$$x_{36} = 87.6055597971677$$
$$x_{37} = 44.2362861690914$$
$$x_{38} = 89.5944147319673$$
$$x_{39} = 81.6429446103504$$
$$x_{40} = 77.6717826320346$$
$$x_{41} = 103.530298104684$$
$$x_{42} = 63.8094146209934$$
$$x_{43} = 38.5133228904923$$
$$x_{44} = 71.7225530483744$$
$$x_{45} = 99.5464834105288$$
$$x_{46} = 42.314392648136$$
$$x_{47} = 48.1091156947758$$