مباشر
f(x) = 
e^(-xt) g(t) dt
f(x) = e^(-xt) g(t) d
(t)
f2(x) = L{L{g(t)}} = g(t)/(x+t) dt
f(x) = 1/
(2
) 
g(t) e^(i tx) dt
f(x) = (2/) g(x) cos(xt) dt
f(x) = (2/) g(x) sin(xt) dt
f(x) = e^(-xt) g(t) dt
f(x) = e^(-xt) g(t) d(t)
f2(x) = L{L{g(t)}} = g(t)/(x+t) dt
f(x) = 1/(2) g(t) e^(i tx) dt
f(x) = (2/) g(x) cos(xt) dt
f(x) = (2/) g(x) sin(xt) dt