Pregunta 1 Seleccionar la opción que contiene la solución de la siguiente ecuación diferencial $xy' + (1+x)y = e^x$ a) $y = e^x(\frac{1+C}{x})$ b) $y = e^x(C + \frac{1}{x})$ c) $y = xe^x(x+C)$ Pregunta 2 25 pts Seleccionar la opción que contiene la expresión para el stock de capital $K(t)$ en el siguiente modelo de crecimiento económico en un país en desarrollo. Sea $X(t)$ el producto doméstico total anual y $H(t)$ es el flujo anual de inversión extranjera. $X(t) = 0.2K(t)$ $K'(t) = 0.1X(t) + H(t)$ $H(t) = 10e^{0.04t}$ a) $K(t) = e^{0.02t}(500e^{0.04t} + C)$ b) $K(t) = e^{0.02t}(500e^{0.02t} + C)$ c) $K(t) = e^{0.04t}(500e^{0.04t} + C)$
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Step 1: The differential equation is $xy' + (1+x)y = e^x$. Show more…
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