Advanced Math Archive: Questions from April 04, 2023
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
determine el valor de k para el cual el sistema no tiene soluciones: x+y+5z=2 x+2y-5z=0 7x+17y+kz=-51 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
0 answers
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
0 answers
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
0 answers
-
0 answers
-
0 answers
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
\( \left|\begin{array}{ccc}b^{2}+a c & b c & c^{2} \\ a b & 2 a c & b c \\ a^{2} & a b & b^{2}+a c\end{array}\right|=\left|\begin{array}{cccccc}b & c & 0 & d & e & f \\ a & 0 & c & x & y & z \\ 0 & a2 answers -
0 answers
-
2 answers
-
eneral solution, \( y=c_{1} y_{1}+c_{2} y_{2}+y_{p} \) \[ y^{\prime \prime}-y^{\prime}-6 y=3 e^{2 x} \]2 answers -
Parte Il: Aplicaciones de Determinantes 1. Area de un Triángulo: Halle el área de un triàngulo cuyos vértices son \( (0,0),(2,0) \) y \( (0,3) \quad(15 \) puntos) 2. Puntos Colineales: Determine s1 answer -
2 answers
-
2 answers
-
need help solving the following differential equations
7. \( y^{\prime \prime}-4 y^{\prime}+13 y=0 \) 8. \( y^{(4)}-3 y^{\prime \prime}-2 y^{\prime \prime}+2 y^{\prime}+12 y=0 \) 9. \( y^{\prime \prime}+6 y^{\prime}+13 y=0, y(0)=3, y^{\prime}(0)=-1 \). 72 answers -
need help solving the following differential equations
10. \( y^{\prime \prime}+2 y^{\prime}+4 y=13 \cos (4 x) \) 11. \( y^{\prime \prime}+6 y^{\prime}+5 y=2 e^{x}+10 e^{5 x} \) 12. \( y^{\prime \prime}+4 y=4 \sin (2 x)+8 \cos (2 x) \) 10. \( y=e^{-x}\le2 answers -
need help solving the following differential equations
13. \( y^{\prime \prime}+y^{\prime}-6 y=10 e^{2 x}-18 e^{3 x}-6 x-11 \) 14. \( y^{\prime \prime}-4 y^{\prime}+3 y=9 x^{2}+4, y(0)=6, y^{\prime}(0)=8 \). 15. \( y^{\prime \prime}+4 y=\sec ^{2}(2 x) \)2 answers -
Solve the initial value problem \[ y^{\prime \prime}-4 y^{\prime}+4 y=e^{x}, \quad y(0)=3, \quad y^{\prime}(0)=1 \]2 answers -
Problem 4. Calculate \( y^{\prime} \) where \( y=(4 x-1)^{2} \). Problem 5. Calculate \( y^{\prime} \) where \( y=2(4 x-1)^{3} \).2 answers -
1 answer
-
1 answer
-
1 answer
-
2. Determine whether the vector field \( \vec{F} \) is conservative for all \( \mathbb{R}^{2} \) or \( \mathbb{R}^{3} \), unless otherwise indicated. If so, find a function \( f \) such that \( \vec{F3 answers -
1 answer
-
1 answer
-
3. For the following vector fields, compute the following: (a) \( \nabla \times \vec{F} \), (b) \( \nabla \cdot \vec{F} \), (c) \( \nabla \cdot(\nabla \times \vec{F}) \), (d) \( \nabla \times(\nabla \0 answers -
1 answer
-
1 answer
-
suelve \( y \frac{d x}{d y}=x+4 y e^{-2 x y} \) \[ \begin{array}{l} \frac{1}{2} e^{2 x y}=\ln \mid y+c \\ 2 e^{2 x y}=8 \ln |y|+c \\ e^{2 x y}-8 \ln \mid y+c \\ 4 e^{2 x y}=2 \ln |y|+c \end{array} \]2 answers -
0 answers
-
0 answers
-
1 answer
-
0 answers
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
0 answers
-
0 answers
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
0 answers
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
0 answers
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
1 answer
-
0 answers
-
0 answers
-
1 answer