e-SP(x) dx Y2 = Y(x) (5) as instructed, to find a second solution y,(x). y" + 2y' + y = 0; y, = xe* Y2

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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To find a second solution \( y_2(x) \), we use the formula:

\[ y_2 = y_1(x) \int \frac{e^{-\int P(x) \, dx}}{y_1^2(x)} \, dx \tag{5} \]

as instructed. We apply this to the differential equation:

\[ y'' + 2y' + y = 0; \quad y_1 = xe^{-x} \]

\[ y_2 = \, \boxed{} \]

For additional assistance, a "Need Help?" button labeled "Read It" is available.
Transcribed Image Text:To find a second solution \( y_2(x) \), we use the formula: \[ y_2 = y_1(x) \int \frac{e^{-\int P(x) \, dx}}{y_1^2(x)} \, dx \tag{5} \] as instructed. We apply this to the differential equation: \[ y'' + 2y' + y = 0; \quad y_1 = xe^{-x} \] \[ y_2 = \, \boxed{} \] For additional assistance, a "Need Help?" button labeled "Read It" is available.
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