Show that the given function is a solution of the differential equation. d²y dy dx dx² dx d²y dx² Substituting checks. d²y dy dx²¹ 8x -7x - 56y= 0, y = c₁e³x + c₂е¯ and y into the original equation gives - 56(c₁e³x + c₂e-7x) = 0. The solution

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Show that the given function is a solution of the differential equation:

*** Please see attachment

**Verify the Solution of the Differential Equation**

**Problem Statement:**

Show that the given function is a solution of the differential equation.

**Equation:**
\[
\frac{d^2y}{dx^2} - \frac{dy}{dx} - 56y = 0, \quad y = c_1 e^{8x} + c_2 e^{-7x}
\]

**Solution Steps:**

1. **First Derivative:**

   \(\frac{dy}{dx} = \Box\)

2. **Second Derivative:**

   \(\frac{d^2y}{dx^2} = \Box\)

3. **Substitution:**

   Substitute \(\frac{d^2y}{dx^2}\), \(\frac{dy}{dx}\), and \(y\) into the original equation:
   
   \(\Box - 56(c_1 e^{8x} + c_2 e^{-7x}) = 0\).

   The solution checks.
Transcribed Image Text:**Verify the Solution of the Differential Equation** **Problem Statement:** Show that the given function is a solution of the differential equation. **Equation:** \[ \frac{d^2y}{dx^2} - \frac{dy}{dx} - 56y = 0, \quad y = c_1 e^{8x} + c_2 e^{-7x} \] **Solution Steps:** 1. **First Derivative:** \(\frac{dy}{dx} = \Box\) 2. **Second Derivative:** \(\frac{d^2y}{dx^2} = \Box\) 3. **Substitution:** Substitute \(\frac{d^2y}{dx^2}\), \(\frac{dy}{dx}\), and \(y\) into the original equation: \(\Box - 56(c_1 e^{8x} + c_2 e^{-7x}) = 0\). The solution checks.
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