Hy! Can someone give me a hint how to factorise $\displaystyle \frac{s^2}{(s^2+1)^2}=$ , im supposed to do an inverse Laplace transformation...
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Originally Posted by Pinsky Hy! Can someone give me a hint how to factorise $\displaystyle \frac{s^2}{(s^2+1)^2}=$ , im supposed to do an inverse Laplace transformation... $\displaystyle \mathcal{L}^{-1}\left(\frac{s}{(s^2+1)}\right) = \cos t \, u(t)$ $\displaystyle \Rightarrow \mathcal{L}^{-1}\left(\frac{s}{(s^2+1)}\right)^2 = \cos t \, u(t) * \cos t \, u(t) $
Originally Posted by Pinsky Hy! Can someone give me a hint how to factorise $\displaystyle \frac{s^2}{(s^2+1)^2}=$ , im supposed to do an inverse Laplace transformation... Don't you have a table of Laplace Transforms? You can just look it up its a standard form. RonL
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