El gráfico de la función cruce el eje X con f = 0
o sea hay que resolver la ecuación:
$$\left(- \frac{20 \sqrt{3} \sin{\left(\frac{\sqrt{3} \cdot 9 x}{10} \right)}}{549} + \frac{\left(-1\right) 60 \cos{\left(\frac{\sqrt{3} \cdot 9 x}{10} \right)}}{61}\right) e^{\frac{\left(-1\right) x}{10}} + \frac{60}{61} = 0$$
Resolvermos esta ecuaciónPuntos de cruce con el eje X:
Solución numérica$$x_{1} = -75.5342132148557$$
$$x_{2} = -45.2969843182687$$
$$x_{3} = -95.6872485633353$$
$$x_{4} = -39.2705038064003$$
$$x_{5} = -29.1464974444479$$
$$x_{6} = -11.254785176614$$
$$x_{7} = -47.3248573939182$$
$$x_{8} = -57.3938245960066$$
$$x_{9} = -91.656605516752$$
$$x_{10} = -55.3830692556135$$
$$x_{11} = -99.7178989767339$$
$$x_{12} = -16.9712803963236$$
$$x_{13} = 0$$
$$x_{14} = -89.6411240543683$$
$$x_{15} = -35.2460896997812$$
$$x_{16} = -93.6718164745383$$
$$x_{17} = -77.5489357760965$$
$$x_{18} = -43.2969879676145$$
$$x_{19} = -8.75274586150774$$
$$x_{20} = -71.5037145750334$$
$$x_{21} = -59.412899356419$$
$$x_{22} = -79.5647671228622$$
$$x_{23} = -41.2628881634119$$
$$x_{24} = -67.4732986331862$$
$$x_{25} = -31.2247676564635$$
$$x_{26} = -69.48726519152$$
$$x_{27} = -7.33324440539052$$
$$x_{28} = -83.595357966511$$
$$x_{29} = -51.353653478099$$
$$x_{30} = -87.6259734938166$$
$$x_{31} = -61.4251730880579$$
$$x_{32} = -33.1887167430296$$
$$x_{33} = -81.5796920618126$$
$$x_{34} = -49.329940904073$$
$$x_{35} = -37.2270838991338$$
$$x_{36} = -73.5181342984713$$
$$x_{37} = -15.2148381926579$$
$$x_{38} = -63.4430064284306$$
$$x_{39} = -3.48330133585521$$
$$x_{40} = -65.4562948749313$$
$$x_{41} = -19.1987692756943$$
$$x_{42} = -25.0984700354168$$
$$x_{43} = -27.2080628739051$$
$$x_{44} = -97.7024998826798$$
$$x_{45} = -53.3621367610746$$
$$x_{46} = -21.041633643145$$
$$x_{47} = -23.1982547979171$$
$$x_{48} = -85.6104181483882$$