Advanced Math Archive: Questions from July 05, 2023
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(25 puntos) Resuelve la ecuación diferencial de Cauchy-Euler no homogénea x*y" +xảy – xy = xlnx.
(25 puntos) Resuelve la ecuación diferencial de Cauchy-Euler no homogénea \( x^{3} y^{\prime \prime}+x^{2} y^{\prime}-x y=x \ln x \).2 answers -
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(25 puntos) Calcula la trasformada de Laplace inversa, de la función \( F(s)=\frac{2 s^{3}+2 s^{2}-4 s+2}{s^{4}-s^{2}-2} \).2 answers -
(25 puntos) Resuelve la ecuación diferencial \( 3 x y^{\prime \prime}+(2-x) y^{\prime}-y=0 \) usando series de potencias en torno al punto \( x_{0}=0 \).2 answers -
1. (25 puntos) Calcula lo siguiente: v) \( L^{-1}\left\{\frac{e^{-3 s}}{s^{5}}\right\} \) vi) La convolución \( f * g \), si \( f(t)=3, g(t)=e^{2 t} \).2 answers -
(25 puntos) Usa la transformada de Laplace para resolver la ecuación integral \( f(t)+\int_{0}^{t} f(\tau) d \tau=1 \)2 answers -
3. (25 puntos) Usa transformada de Laplace para resolver el PVI \[ y^{\prime \prime}+5 y^{\prime}+4 y=0, \quad y(0)=1, y^{\prime}(0)=0 \]2 answers -
4. (25 puntos) Resuelve el sistema de ecuaciones diferenciales: \[ \begin{array}{l} \frac{d x}{d t}=3 x+2 y+1 \\ \frac{d y}{d t}=-2 x-y+1 \end{array} \]2 answers -
only need c answered
c.) \( y^{\prime \prime}+y^{\prime}+y=x \sin (x) \) Problem 1: Solve the following socond-order differential equations using the method of undetermined coefficients. Your solutions should be real-val2 answers -
Find the general solution to the following 2nd-order homogeneous differential equations:
\( \begin{array}{l}y^{\prime \prime}+16 y=0 \\ 4 y^{\prime \prime}+2 y^{\prime}+y=0 \\ y^{\prime \prime}-4 y^{\prime}+5 y=0\end{array} \) \( \begin{array}{l}y^{\prime \prime}-18 y^{\prime}+81 y=0 \\2 answers -
Find the solution to the following 2nd-order homogeneous initial value problems:
\( \begin{array}{l}y^{\prime \prime}+25 y=0, \quad y(0)=2, \quad y^{\prime}(0)=-2 \\ 2 y^{\prime \prime}-2 y^{\prime}+y=0, \quad y(0)=-1, \quad y^{\prime}(0)=0\end{array} \) \( \begin{array}{lll}4 y^2 answers -
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