0,000563(x^2)+0,3x+50=0 la ecuación
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Solución
Solución detallada
Es la ecuación de la forma
a*x^2 + b*x + c = 0 La ecuación cuadrática puede ser resuelta
con la ayuda del discriminante.
Las raíces de la ecuación cuadrática:
x 1 = D − b 2 a x_{1} = \frac{\sqrt{D} - b}{2 a} x 1 = 2 a D − b x 2 = − D − b 2 a x_{2} = \frac{- \sqrt{D} - b}{2 a} x 2 = 2 a − D − b donde D = b^2 - 4*a*c es el discriminante.
Como
a = 0.000563 a = 0.000563 a = 0.000563 b = 3 10 b = \frac{3}{10} b = 10 3 c = 50 c = 50 c = 50 , entonces
D = b^2 - 4 * a * c = (3/10)^2 - 4 * (0.000563000000000000) * (50) = -0.0226000000000000 Como D < 0 la ecuación
no tiene raíces reales,
pero hay raíces complejas.
x1 = (-b + sqrt(D)) / (2*a) x2 = (-b - sqrt(D)) / (2*a) o
x 1 = − 266.429840142096 + 133.510625029955 i x_{1} = -266.429840142096 + 133.510625029955 i x 1 = − 266.429840142096 + 133.510625029955 i x 2 = − 266.429840142096 − 133.510625029955 i x_{2} = -266.429840142096 - 133.510625029955 i x 2 = − 266.429840142096 − 133.510625029955 i
Teorema de Cardano-Vieta
reescribamos la ecuación
( 0.000563 x 2 + 3 x 10 ) + 50 = 0 \left(0.000563 x^{2} + \frac{3 x}{10}\right) + 50 = 0 ( 0.000563 x 2 + 10 3 x ) + 50 = 0 de
a x 2 + b x + c = 0 a x^{2} + b x + c = 0 a x 2 + b x + c = 0 como ecuación cuadrática reducida
x 2 + b x a + c a = 0 x^{2} + \frac{b x}{a} + \frac{c}{a} = 0 x 2 + a b x + a c = 0 1 x 2 + 532.859680284192 x + 88809.946714032 = 0 1 x^{2} + 532.859680284192 x + 88809.946714032 = 0 1 x 2 + 532.859680284192 x + 88809.946714032 = 0 p x + q + x 2 = 0 p x + q + x^{2} = 0 p x + q + x 2 = 0 donde
p = b a p = \frac{b}{a} p = a b p = 532.859680284192 p = 532.859680284192 p = 532.859680284192 q = c a q = \frac{c}{a} q = a c q = 88809.946714032 q = 88809.946714032 q = 88809.946714032 Fórmulas de Cardano-Vieta
x 1 + x 2 = − p x_{1} + x_{2} = - p x 1 + x 2 = − p x 1 x 2 = q x_{1} x_{2} = q x 1 x 2 = q x 1 + x 2 = − 532.859680284192 x_{1} + x_{2} = -532.859680284192 x 1 + x 2 = − 532.859680284192 x 1 x 2 = 88809.946714032 x_{1} x_{2} = 88809.946714032 x 1 x 2 = 88809.946714032
x1 = -266.429840142096 - 133.510625029955*I
x 1 = − 266.429840142096 − 133.510625029955 i x_{1} = -266.429840142096 - 133.510625029955 i x 1 = − 266.429840142096 − 133.510625029955 i
x2 = -266.429840142096 + 133.510625029955*I
x 2 = − 266.429840142096 + 133.510625029955 i x_{2} = -266.429840142096 + 133.510625029955 i x 2 = − 266.429840142096 + 133.510625029955 i
x2 = -266.429840142096 + 133.510625029955*i
Suma y producto de raíces
[src]
-266.429840142096 - 133.510625029955*I + -266.429840142096 + 133.510625029955*I
( − 266.429840142096 − 133.510625029955 i ) + ( − 266.429840142096 + 133.510625029955 i ) \left(-266.429840142096 - 133.510625029955 i\right) + \left(-266.429840142096 + 133.510625029955 i\right) ( − 266.429840142096 − 133.510625029955 i ) + ( − 266.429840142096 + 133.510625029955 i )
− 532.859680284192 -532.859680284192 − 532.859680284192
(-266.429840142096 - 133.510625029955*I)*(-266.429840142096 + 133.510625029955*I)
( − 266.429840142096 − 133.510625029955 i ) ( − 266.429840142096 + 133.510625029955 i ) \left(-266.429840142096 - 133.510625029955 i\right) \left(-266.429840142096 + 133.510625029955 i\right) ( − 266.429840142096 − 133.510625029955 i ) ( − 266.429840142096 + 133.510625029955 i )
88809.946714032 88809.946714032 88809.946714032
x1 = -266.429840142096 + 133.510625029955*i
x2 = -266.429840142096 - 133.510625029955*i
x2 = -266.429840142096 - 133.510625029955*i