One of the following is a general solution of the homogeneous differential equation y' + y = 0: y = Ae + Be , Ax + B, A cos(x) + B sin(x). One of the following is a solution to the nonhomogeneous equation y” + y = y = Y Y y = = x sin(x), y = x sin(x) + cos(x) ln(cos(x)). By superposition, the general solution of the equation y" + y = sec(x) is help (formulas) y = = Find the solution satisfying the initial conditions ▼ y(0) = 9, y'(0) = 4. help (formulas) =sec (x):

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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2. Ordinary DIfferential Equations 

One of the following is a general solution of the homogeneous differential equation \( y'' + y = 0 \):

\[ 
y = Ae^x + Be^{-x}, 
\]
\[ 
y = Ax + B, 
\]
\[ 
y = A \cos(x) + B \sin(x). 
\]

One of the following is a solution to the nonhomogeneous equation \( y'' + y = \sec(x) \):

\[ 
y = x \sin(x), 
\]
\[ 
y = x \sin(x) + \cos(x) \ln(\cos(x)). 
\]

By superposition, the general solution of the equation \( y'' + y = \sec(x) \) is

\[ 
y = \underline{\hspace{2cm}} \quad \text{help (formulas)}
\]

Find the solution satisfying the initial conditions

\[ 
y(0) = 9, \quad y'(0) = 4. 
\]

\[ 
y = \underline{\hspace{2cm}} \quad \text{help (formulas)}
\]
Transcribed Image Text:One of the following is a general solution of the homogeneous differential equation \( y'' + y = 0 \): \[ y = Ae^x + Be^{-x}, \] \[ y = Ax + B, \] \[ y = A \cos(x) + B \sin(x). \] One of the following is a solution to the nonhomogeneous equation \( y'' + y = \sec(x) \): \[ y = x \sin(x), \] \[ y = x \sin(x) + \cos(x) \ln(\cos(x)). \] By superposition, the general solution of the equation \( y'' + y = \sec(x) \) is \[ y = \underline{\hspace{2cm}} \quad \text{help (formulas)} \] Find the solution satisfying the initial conditions \[ y(0) = 9, \quad y'(0) = 4. \] \[ y = \underline{\hspace{2cm}} \quad \text{help (formulas)} \]
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