7s2 + 72s + 180 Consider the function F(s) (s + 5)(s² + 12s + 40) Find the partial fraction decomposition of F(s). Enter all factors as first order terms in s, that is, all terms should be of the form , where c is a constant and the root p is a constant. Both c and p may be complex. 7s2 + 72s + 180 -1/(s+5) + 8(s+6)/((s+6)^2+4) + -4/((s+6)^2+4) s3 + 17s2 + 100s + 200 Find the inverse Laplace transform of F(s). (Remember to use u(t). f(t) = L1 {F(s)} : -e^(-5t)+8e^(-6t)*cos(2t)-2e^(-6t)sin(2t) help (formulas)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question
7s2 + 72s + 180
Consider the function F(s)
(s + 5)(s² + 12s + 40)
Find the partial fraction decomposition of F(s). Enter all factors as first order terms in s, that is, all terms should be of the form , where c is a constant and the
s-p
root p is a constant. Both c and p may be complex.
7s2 + 72s + 180
-1/(s+5)
+ 8(s+6)/((s+6)^2+4)
+ -4/((s+6)^2+4)
s3 + 17s2 + 100s + 200
Find the inverse Laplace transform of F(s). (Remember to use u(t).
f(t) = L1 {F(s)}
-e^(-5t)+8e^(-6t)*cos(2t)-2e^(-6t)sin(2t)
help (formulas)
Transcribed Image Text:7s2 + 72s + 180 Consider the function F(s) (s + 5)(s² + 12s + 40) Find the partial fraction decomposition of F(s). Enter all factors as first order terms in s, that is, all terms should be of the form , where c is a constant and the s-p root p is a constant. Both c and p may be complex. 7s2 + 72s + 180 -1/(s+5) + 8(s+6)/((s+6)^2+4) + -4/((s+6)^2+4) s3 + 17s2 + 100s + 200 Find the inverse Laplace transform of F(s). (Remember to use u(t). f(t) = L1 {F(s)} -e^(-5t)+8e^(-6t)*cos(2t)-2e^(-6t)sin(2t) help (formulas)
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