Find a general solution for the given differential equation with x as the independent variable. y' +7y" - 26y' – 72y = 0 A general solution with x as the independent variable is y(x) =

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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**Find a general solution for the given differential equation with x as the independent variable.**

\[ y''' + 7y'' - 26y' - 72y = 0 \]

---

A general solution with x as the independent variable is \( y(x) = \) ________.
Transcribed Image Text:**Find a general solution for the given differential equation with x as the independent variable.** \[ y''' + 7y'' - 26y' - 72y = 0 \] --- A general solution with x as the independent variable is \( y(x) = \) ________.
### Differential Equations

**Problem 6.2.4**

**Objective:** 
Find a general solution for the given differential equation with \( x \) as the independent variable.

**Given Differential Equation:**
\[ y''' - 2y'' - 40y' - 64y = 0 \]

**Solution:**
A general solution with \( x \) as the independent variable is given by:

\[ y(x) = C_1 e^{-2x} + C_2 e^{8x} + C_3 e^{-4x} \]

Where:
- \( y(x) \) is the function we seek as a solution.
- \( C_1, C_2, \) and \( C_3 \) are constants determined by boundary or initial conditions.

**Explanation:**
The given differential equation is a third-order linear homogeneous differential equation. The solution is formed by finding the characteristic equation and solving for the roots, which can then be used to form the general solution as a combination of exponential functions.

### Notes:
- This problem involves solving higher-order differential equations, which are frequently encountered in various fields such as physics and engineering.
- Understanding and finding characteristic equations is crucial for solving such differential equations.
Transcribed Image Text:### Differential Equations **Problem 6.2.4** **Objective:** Find a general solution for the given differential equation with \( x \) as the independent variable. **Given Differential Equation:** \[ y''' - 2y'' - 40y' - 64y = 0 \] **Solution:** A general solution with \( x \) as the independent variable is given by: \[ y(x) = C_1 e^{-2x} + C_2 e^{8x} + C_3 e^{-4x} \] Where: - \( y(x) \) is the function we seek as a solution. - \( C_1, C_2, \) and \( C_3 \) are constants determined by boundary or initial conditions. **Explanation:** The given differential equation is a third-order linear homogeneous differential equation. The solution is formed by finding the characteristic equation and solving for the roots, which can then be used to form the general solution as a combination of exponential functions. ### Notes: - This problem involves solving higher-order differential equations, which are frequently encountered in various fields such as physics and engineering. - Understanding and finding characteristic equations is crucial for solving such differential equations.
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