I'm trying to calculate the antitransform of:
$\frac{1}{2\cdot(1+5w)^2}$
Now I know the antitransform of $\frac{1}{(1+5w)^2} = t \cdot e^{-5t} u(t) $
But in this case I got that divided by 2. I assumed I had to use the scaling property which says:
$F[f(ax)] = \frac{1}{|a|} \hat{f}(\frac{w}{a})$
Now I'm not really sure how to apply this. Could anyone help?