El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$\left(\frac{68}{25}\right)^{\frac{x - \frac{1}{\sin{\left(\frac{64}{125} \right)}}}{3}} \cdot 2^{- x} \sqrt{x + \sqrt[4]{1625}} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución analítica$$x_{1} = - \sqrt[4]{1625}$$
Solución numérica$$x_{1} = 91.9502007271945$$
$$x_{2} = 115.559578178592$$
$$x_{3} = 103.719833374385$$
$$x_{4} = 86.1091690768254$$
$$x_{5} = 113.582858556541$$
$$x_{6} = 123.47696750544$$
$$x_{7} = 143.323322404224$$
$$x_{8} = 99.7867505505411$$
$$x_{9} = 155.255265561891$$
$$x_{10} = 107.660452665501$$
$$x_{11} = 111.607360695652$$
$$x_{12} = 97.8235230638974$$
$$x_{13} = 88.0518072514954$$
$$x_{14} = 151.276424194984$$
$$x_{15} = 89.9990024791229$$
$$x_{16} = 95.8628236034687$$
$$x_{17} = 82.2403874494962$$
$$x_{18} = 125.458585428576$$
$$x_{19} = 141.336126464885$$
$$x_{20} = 147.299055694962$$
$$x_{21} = 121.496193352568$$
$$x_{22} = 117.537427631023$$
$$x_{23} = 109.633187138083$$
$$x_{24} = 139.349411916078$$
$$x_{25} = 159.235438540995$$
$$x_{26} = 105.689286245644$$
$$x_{27} = 145.310973570918$$
$$x_{28} = 127.440991399478$$
$$x_{29} = 101.75225891296$$
$$x_{30} = 153.265670049952$$
$$x_{31} = 157.245193701048$$
$$x_{32} = 137.363207005953$$
$$x_{33} = 135.377542283656$$
$$x_{34} = 133.392450843288$$
$$x_{35} = 149.287546228798$$
$$x_{36} = 129.424134604632$$
$$x_{37} = 119.516324224569$$
$$x_{38} = 131.407968600171$$
$$x_{39} = 84.1717568149315$$
$$x_{40} = 93.9049383158149$$