Other Math Archive: Questions from April 03, 2023
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2. Supongo que to denidad del sedimento \( (\mathrm{a} / \mathrm{cm} \) 2) de un especimen seleccionedo al czar en uno cieita región slgue una distibución nomal con una media de 2.55 y una desvlaci2 answers -
Use \( y=\sum_{n=0}^{\infty} a_{n} x^{n} \) to solve \( \left(3-x^{2}\right) y^{\prime \prime}-3 x y^{\prime}-y=0 \)2 answers -
suelve \( y \frac{d x}{d y}=x+4 y e^{-2 x / y} \) \[ \frac{1}{2} e^{2 x / y}=\ln \mid y+c \] \[ 2 e^{2 x / y}=8 \ln |y|+c \] \[ e^{2 x y y}=8 \ln \mid y+c \] \( 4 e^{2 x i y}=2 \ln |y|+c \) Ninguna de2 answers -
i need the steps to get the answer
Solve the given mhal value problem \[ \begin{array}{l} y^{\prime \prime \prime}-y^{\prime \prime}-36 y^{\prime}+36 y=0 \\ y(0)=1 \quad y^{\prime}(0)=28 \quad y^{\prime \prime}(0)=100 \end{array} \] \[2 answers -
Resuelve \( \left(x+y e^{v x}\right) d x-x e^{v / x} d y=0 \), sujeto a que \( y(1)=0 \). \[ \begin{array}{l} \ln |x|=e^{y / x}-2 \\ \ln |x|=e^{y / x} \\ \ln \mid x=e^{y / x}+1 \end{array} \] Ninguna2 answers -
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