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Use the formula £{t^f(t)} (s) = (-1)^(((s)) to help determine the following the expressions. (a) L(t cos bt}(s) = s²-b² (s² +6²)² (b) {t² cos bt) (s) = 2s (3b²-s²) (s² +6²)4 This is correct Plz help me with this

Use the formula £{t^f(t)} (s) = (-1)^(((s)) to help determine the following the expressions. (a) L(t cos bt}(s) = s²-b² (s² +6²)² (b) {t² cos bt) (s) = 2s (3b²-s²) (s² +6²)4 This is correct Plz help me with this

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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d Use the formula £{tf(t)} (s) = (-1)^(L{f}(s)) to help determine the following the expressions. (a) L{t cos bt}(s) = 2 2 s-b 2 (s² + b²)² (b) £{t² cos bt} (s) = + ▬▬ 2s (3b²-s²) (s² +6²)4 This is correct Plz help me with this
Transcribed Image Text:d Use the formula £{tf(t)} (s) = (-1)^(L{f}(s)) to help determine the following the expressions. (a) L{t cos bt}(s) = 2 2 s-b 2 (s² + b²)² (b) £{t² cos bt} (s) = + ▬▬ 2s (3b²-s²) (s² +6²)4 This is correct Plz help me with this
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