B Bkalma New member Joined May 5, 2014 Messages 1 May 5, 2014 #1 Find the inverse Laplace transform of: (3s + s*exp(-4s) +2*exp(-4s) +s^3)/((s^2)(s-1)(s+1)) - Suggest using partial fractions (This is where I had trouble).
Find the inverse Laplace transform of: (3s + s*exp(-4s) +2*exp(-4s) +s^3)/((s^2)(s-1)(s+1)) - Suggest using partial fractions (This is where I had trouble).
D Deleted member 4993 Guest May 5, 2014 #2 Bkalma said: Find the inverse Laplace transform of: (3s + s*exp(-4s) +2*exp(-4s) +s^3)/((s^2)(s-1)(s+1)) - Suggest using partial fractions (This is where I had trouble). Click to expand... (3s + s*exp(-4s) +2*exp(-4s) +s^3)/((s^2)(s-1)(s+1)) \(\displaystyle = \dfrac{3}{s(s-1)(s+1)} \ \ + \ \ 2*e^{-4s}\dfrac{1}{s^2(s-1)(s-2)} \ \ + \ \ \dfrac{s}{(s-1)(s+1)}\) Where is the trouble? Please share your work with us ... If you are stuck at the beginning tell us and we'll start with the definitions. You need to read the rules of this forum. Please read the post titled "Read before Posting" at the following URL: http://www.freemathhelp.com/forum/th...Before-Posting
Bkalma said: Find the inverse Laplace transform of: (3s + s*exp(-4s) +2*exp(-4s) +s^3)/((s^2)(s-1)(s+1)) - Suggest using partial fractions (This is where I had trouble). Click to expand... (3s + s*exp(-4s) +2*exp(-4s) +s^3)/((s^2)(s-1)(s+1)) \(\displaystyle = \dfrac{3}{s(s-1)(s+1)} \ \ + \ \ 2*e^{-4s}\dfrac{1}{s^2(s-1)(s-2)} \ \ + \ \ \dfrac{s}{(s-1)(s+1)}\) Where is the trouble? Please share your work with us ... If you are stuck at the beginning tell us and we'll start with the definitions. You need to read the rules of this forum. Please read the post titled "Read before Posting" at the following URL: http://www.freemathhelp.com/forum/th...Before-Posting
