40. If N(s) = 2s², find L-1 {N} for (N(S) D(S D(s) = a) s² - 1 b) (s + 3) (s² + 19s +90) c) (8s + 12) (16s² + 12s + 2)

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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please calculate part b only step by step and thank you i will make sure to vote!!

40. If N(s) = 2s², find L-1 {N} for
(N(S)
D(S
D(s) = a) s² - 1
b) (s + 3) (s² + 19s +90)
c) (8s + 12) (16s² + 12s + 2)
Transcribed Image Text:40. If N(s) = 2s², find L-1 {N} for (N(S) D(S D(s) = a) s² - 1 b) (s + 3) (s² + 19s +90) c) (8s + 12) (16s² + 12s + 2)
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