Inverse Laplace Transform of (s-1)/s^2(s^2+4)

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ODEs: Find the inverse Laplace transform of L[f(t)](s) = (s-1)/s^2(s^2+4). We use partial fractions to expand into terms where the inverse Laplace transform is recognizable.
  1. MathDoctorBob
  2. Mathematics
  3. ordinary
  4. differential
  5. equation
  6. Laplace
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Комментарии
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Been so long since I last did inverse Laplace. Thanks for posting the video, really helped me reignite up some old math memories. Will be helpful when I write my final exam of my engineering degree tomorrow!

powahouser
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Por fin alguien explica un ejercicio serio. Excelente

TorresMCR
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Thanks! You just saved my life. I forgot how to use P.F.D on fractions of that form. Can't wait 'till diff. eq. is over. Two more weeks to go....

trestles
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You're welcome! Glad to be of help.

MathDoctorBob
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@asdee01 I grew up under threat of the Board of Education, although I never saw it used. My favorite is Grandma's Paddle: "Not recommended for use by mothers."

MathDoctorBob
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Great video! Sadly my professors handwriting is so terrible I can not comprehend his work.

johnconnor
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You're welcome! PFD does magically appear in this section. Hang in there - you only want to do DEQs once. Good luck on exams! - Bob

MathDoctorBob
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You're welcome, and good luck on finals! - Bob

MathDoctorBob
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Do you mean the final step? Typically you either memorize or look up in a table. I'll annotate with links for each type in earlier videos.

MathDoctorBob
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I had fun watching your videos and I hope you can help me thank you

TenOshido
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how do we proceed in order to find the piecewise continuous functions? I mean I was able to find the full equation but I dont get how do we get the limits for the piecewise functions???

alexva
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can you give me answer for these 1/s(s+2)(S+3)

arunrepakula
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with that tee u kind of look like henry rollins

eggyorkeee
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You remind me of my old teacher with that big stick, bo**ox used to hit us with it

asdee
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You're welcome! As if math isn't hard enough.

MathDoctorBob
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(e^-s/s(s+1) ) + s^2 please i dont know :(

cristianmanriqueramos
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if you can help me  (s+1)/s(s^2+b^2) how Inverse Laplace Transform 

aminecaid