Math Problem Statement
Solution
The image contains a system of differential equations with initial conditions, and the task is to solve it using the Laplace transform. Here's a breakdown of the problem:
- System of equations: x'(t) - 2x(t) &= y(t), \\ y'(t) - y(t) &= 1. \end{aligned}$$
- Initial conditions:
Steps to solve using Laplace Transform:
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Apply the Laplace Transform to both equations:
- For , use .
- For , use .
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Transform the system:
\mathcal{L}\{x'(t)\} - 2\mathcal{L}\{x(t)\} &= \mathcal{L}\{y(t)\}, \\ \mathcal{L}\{y'(t)\} - \mathcal{L}\{y(t)\} &= \mathcal{L}\{1\}. \end{aligned}$$ Substituting the initial conditions and known Laplace transforms: $$\begin{aligned} (sX(s)) - 2X(s) &= Y(s), \\ (sY(s)) - Y(s) &= \frac{1}{s}. \end{aligned}$$ -
Solve the second equation for :
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Solve the first equation for : Therefore,
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Inverse Laplace Transform:
- The function can be decomposed using partial fractions: which gives and , leading to: The inverse Laplace transform is:
- For , use partial fraction decomposition and the inverse Laplace transform.
Would you like me to continue with the detailed decomposition of , or do you have any specific questions? Here are some related questions:
- Would you like to see the detailed inverse Laplace steps for ?
- Do you need a step-by-step explanation of the partial fraction decomposition?
- How does the Laplace transform help in solving differential equations?
- Do you need a refresher on solving linear systems of differential equations?
- Would you like to explore specific applications of the Laplace transform in engineering?
Tip: The Laplace transform is particularly useful for handling systems with initial conditions, making it easier to switch to the frequency domain and solve algebraically.
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Math Problem Analysis
Mathematical Concepts
Differential Equations
Laplace Transform
Initial Value Problems
Formulas
Laplace Transform of derivatives: \(\mathcal{L}\{x'(t)\} = sX(s) - x(0)\)
Partial Fraction Decomposition
Theorems
Laplace Transform Theorem
Inverse Laplace Transform
Suitable Grade Level
Undergraduate Level
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