X= [+] -3 1 X × ² = [ 2² -4 ] X X2-26-561 est

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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The two given vectors satisfy the given system of linear differential equations. But do they form a fundamental solution set to the system? Please use the Wronskian to calculate
The image contains a mathematical problem related to differential equations and fundamental solution sets. Below is a transcription and explanation suitable for an educational website:

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**Mathematical Problem:**

Consider the following vectors, \( X_1 \) and \( X_2 \):

\[ X_1 = \begin{bmatrix} e^{-2t} \\ e^{-2t} \end{bmatrix} \]

\[ X_2 = \begin{bmatrix} e^{-5t} \\ -2e^{-5t} \end{bmatrix} \]

Define the matrix differential equation:

\[ X' = \begin{bmatrix} -3 & 1 \\ 2 & -4 \end{bmatrix} X \]

**Question:**

Do \( X_1 \) and \( X_2 \) form a fundamental solution set for the given differential equation?

**Explanation:**

To determine if \( X_1 \) and \( X_2 \) form a fundamental solution set, we need to verify if they are solutions to the differential equation \( X' = AX \) and if they are linearly independent over the interval of interest. This involves checking if the Wronskian of the solutions is non-zero at some point in the interval. The calculations of derivatives and substitution into the differential equation, as well as the computation of the Wronskian, will provide these verifications.

*Note: The Wronskian, for functions that are exponentially decaying with different rates, can help in establishing the linear independence provided they solve the system correctly.*

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This layout aims to guide students through the problem and its methodology, making it suitable for an educational website.
Transcribed Image Text:The image contains a mathematical problem related to differential equations and fundamental solution sets. Below is a transcription and explanation suitable for an educational website: --- **Mathematical Problem:** Consider the following vectors, \( X_1 \) and \( X_2 \): \[ X_1 = \begin{bmatrix} e^{-2t} \\ e^{-2t} \end{bmatrix} \] \[ X_2 = \begin{bmatrix} e^{-5t} \\ -2e^{-5t} \end{bmatrix} \] Define the matrix differential equation: \[ X' = \begin{bmatrix} -3 & 1 \\ 2 & -4 \end{bmatrix} X \] **Question:** Do \( X_1 \) and \( X_2 \) form a fundamental solution set for the given differential equation? **Explanation:** To determine if \( X_1 \) and \( X_2 \) form a fundamental solution set, we need to verify if they are solutions to the differential equation \( X' = AX \) and if they are linearly independent over the interval of interest. This involves checking if the Wronskian of the solutions is non-zero at some point in the interval. The calculations of derivatives and substitution into the differential equation, as well as the computation of the Wronskian, will provide these verifications. *Note: The Wronskian, for functions that are exponentially decaying with different rates, can help in establishing the linear independence provided they solve the system correctly.* --- This layout aims to guide students through the problem and its methodology, making it suitable for an educational website.
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