Randolph College
Department of Mathematics and Computer Science

 

Homework # 7 - Math 328


The problems on this homework must be done alone.  The honor code is in effect.

 First name:   Last name:


1.  Find the general solution to the following differential equation: \(y''' + 3 y'' + 3 y' + y = 0\)

b.  \(y = A e^t\)

b.  \(y = A e^{-t}\)

c.  \(y = A e^t + B e^{-t}\)

d.  \(y = A e^{-t} + B te^{-t} + C t^2e^{-t}\)

e.  \(y = A e^t + B te^t + C t^2e^t\)

 

2.  Carefully write out your solution to question 1.

 

3.   Find the general solution to the following differential equation: \(y''' + 3y'' + 3y' + y = 5e^{-t}\).

Show all your steps.