I'm having trouble setting up my equation.

Square wave with period T = 2a.

f(t) = 2, 0<t<a

f(t) = 0, a<t<2a

Take the Laplace Transform of f(t).

What I got:

F(s) = (∫2exp(-st)dt [0,a]) / [1 - exp(-2as)]

The square brackets [0,a] are the limits of the definite integral.

Thanks guys.