how to find fourier transform of function f=t;

 

F(ω) = ∫ from -∞ to ∞ of f(x)*e^-2π*jω*t dt

So FT of f= t is

∫ ((e^-2π*jω*t) * t )dt.

You can use integration by parts. Its easy.

 

it is not possible like that limit conflicts..