x^3+2.4*(10^(-2))*(x^2)+7.5*(10^(-6))*x-9.5*(10^(-10))=0 la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Teorema de Cardano-Vieta
es ecuación cúbica reducida
$$p x^{2} + q x + v + x^{3} = 0$$
donde
$$p = \frac{b}{a}$$
$$p = 0.024$$
$$q = \frac{c}{a}$$
$$q = 7.5 \cdot 10^{-6}$$
$$v = \frac{d}{a}$$
$$v = \frac{\left(-19\right) 1 \cdot 10^{-10}}{2}$$
Fórmulas de Cardano-Vieta
$$x_{1} + x_{2} + x_{3} = - p$$
$$x_{1} x_{2} + x_{1} x_{3} + x_{2} x_{3} = q$$
$$x_{1} x_{2} x_{3} = v$$
$$x_{1} + x_{2} + x_{3} = -0.024$$
$$x_{1} x_{2} + x_{1} x_{3} + x_{2} x_{3} = 7.5 \cdot 10^{-6}$$
$$x_{1} x_{2} x_{3} = \frac{\left(-19\right) 1 \cdot 10^{-10}}{2}$$
Suma y producto de raíces
[src]
-0.0236816045334083 + 0.e-24*I + -0.000415048164879292 + 0.e-25*I + 9.66526982875817e-5 - 0.e-25*I
$$\left(9.66526982875817 \cdot 10^{-5} - 2.0 \cdot 10^{-25} i\right) + \left(\left(-0.000415048164879292 + 2.0 \cdot 10^{-25} i\right) + \left(-0.0236816045334083 + 2.0 \cdot 10^{-24} i\right)\right)$$
$$-0.024 + 2.0 \cdot 10^{-24} i$$
(-0.0236816045334083 + 0.e-24*I)*(-0.000415048164879292 + 0.e-25*I)*(9.66526982875817e-5 - 0.e-25*I)
$$\left(-0.0236816045334083 + 2.0 \cdot 10^{-24} i\right) \left(-0.000415048164879292 + 2.0 \cdot 10^{-25} i\right) \left(9.66526982875817 \cdot 10^{-5} - 2.0 \cdot 10^{-25} i\right)$$
9.5e-10 - 2.57228803445646e-30*I
$$9.5 \cdot 10^{-10} - 2.57228803445646 \cdot 10^{-30} i$$
9.5e-10 - 2.57228803445646e-30*i
x1 = -0.0236816045334083 + 0.e-24*I
$$x_{1} = -0.0236816045334083 + 2.0 \cdot 10^{-24} i$$
x2 = -0.000415048164879292 + 0.e-25*I
$$x_{2} = -0.000415048164879292 + 2.0 \cdot 10^{-25} i$$
x3 = 9.66526982875817e-5 - 0.e-25*I
$$x_{3} = 9.66526982875817 \cdot 10^{-5} - 2.0 \cdot 10^{-25} i$$
x3 = 9.66526982875817e-5 - 0.e-25*i
x1 = -0.000415048164879292