
Algebra PreAlgebra and Basic Algebra Math Forum 
 LinkBack  Thread Tools  Display Modes 
June 11th, 2018, 03:57 AM  #1 
Senior Member Joined: Oct 2015 From: Greece Posts: 137 Thanks: 8  Simple Laplace Exercise Help!
I'm doing something wrong when splitting the fraction, but I can't understand what. Probably I haven't understood the method correctly. At the bottom of the image, you can see the correct answer after splitting the fraction (I got it from the solution of this exercise.) The exercise asks us to do the reverse operation of Laplace transformation. Last edited by skipjack; June 11th, 2018 at 08:53 AM. 
June 11th, 2018, 09:06 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,926 Thanks: 2205 
You initially proceeded as though no term with s in the numerator is needed, which isn't the case. Instead, try including a Cs/(s² + 1) term. You should then get A = 1, B = 2/3 and C = 1/2. 

Tags 
exercise, laplace, simple 
Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Simple chainrule exercise, help?  Addez123  Calculus  6  November 5th, 2016 06:41 AM 
Simple harmonic motion damping Laplace transform help!  doctordino  Differential Equations  1  February 1st, 2016 11:45 AM 
Relatioship between Laplace and Inverse Laplace Transform from tables  szz  Differential Equations  1  November 2nd, 2014 03:18 AM 
Simple exercise on determine some dimensions.  beesee  Physics  4  August 23rd, 2014 02:10 PM 
A simple exercise in the number field  Simple Minded  Real Analysis  1  December 12th, 2013 08:57 AM 