El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$e^{\left(-2\right) x} x^{2} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = 0$$
Solución numérica$$x_{1} = 27.20201484763$$
$$x_{2} = 60.8695406084904$$
$$x_{3} = 104.782416425241$$
$$x_{4} = 37.0251745842944$$
$$x_{5} = 25.2616543464451$$
$$x_{6} = 23.3368661531494$$
$$x_{7} = 19.5684967155274$$
$$x_{8} = 33.0793202072939$$
$$x_{9} = 86.80647325079$$
$$x_{10} = 80.8170924358525$$
$$x_{11} = 82.8133664071988$$
$$x_{12} = 74.8295857792522$$
$$x_{13} = 52.9033088689601$$
$$x_{14} = 58.877006792573$$
$$x_{15} = 110.776247440956$$
$$x_{16} = 78.8210254831958$$
$$x_{17} = 100.786966410226$$
$$x_{18} = 44.9513443135439$$
$$x_{19} = 66.8501320826136$$
$$x_{20} = 29.1535131348184$$
$$x_{21} = 0$$
$$x_{22} = 31.113267823398$$
$$x_{23} = 94.7945666675737$$
$$x_{24} = 72.8342551542403$$
$$x_{25} = 68.8444981105235$$
$$x_{26} = 17.7630623792588$$
$$x_{27} = 21.4348860321703$$
$$x_{28} = 56.8850713161311$$
$$x_{29} = 96.791920687455$$
$$x_{30} = 42.9667053904693$$
$$x_{31} = 98.7893897158818$$
$$x_{32} = 35.0502898441269$$
$$x_{33} = 54.8938092652602$$
$$x_{34} = 106.78027787959$$
$$x_{35} = 46.9375267790788$$
$$x_{36} = 40.9838851550899$$
$$x_{37} = 92.7973356824992$$
$$x_{38} = 70.8392164970912$$
$$x_{39} = 39.0032286368217$$
$$x_{40} = 108.778223163621$$
$$x_{41} = 88.8032788410153$$
$$x_{42} = 84.8098314593754$$
$$x_{43} = 76.8251833120245$$
$$x_{44} = 90.800236523639$$
$$x_{45} = 64.8561549424937$$
$$x_{46} = 48.9250306344056$$
$$x_{47} = 102.784644040188$$
$$x_{48} = 62.8626084574634$$
$$x_{49} = 50.9136745143369$$