Using the method of variation of parameters, solve the following inhomogeneous equation. y′′+12y′+36y=(−1e−6x)/(x2+1) a) Write the characteristic equation of the homogeneous part of the equation using the variable m. ....?....=0 b) Write down the homogeneous solution of the equation. Denote the constants c1 and c2 with c1 and c2. The y1 and y2 solutions must satisfy the conditions y1(0)=1, y2(0)=0, respectively. yh=? c) Find Wronskian: W(y1,y2)=?

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Using the method of variation of parameters, solve the following inhomogeneous equation.

y′′+12y′+36y=(−1e−6x)/(x2+1)

a) Write the characteristic equation of the homogeneous part of the equation using the variable m.

....?....=0

b) Write down the homogeneous solution of the equation. Denote the constants c1 and c2 with c1 and c2. The y1 and y2 solutions must satisfy the conditions y1(0)=1, y2(0)=0, respectively.

yh=?

c) Find Wronskian: W(y1,y2)=?

d) W1=?

e) W2=?

f) u′1=? u1=?

g)u′2=? u2=?

h) Write down the specific solution you got: yp=?

e) Write down the general solution of the equation: y=?

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