Let F(w) be the Fourier Transform of a function f(t). The F(0) is

A

$$\int_{-\infty}^{\infty} f(t) dt$$

B

$$\int_{-\infty}^{\infty} \mid {f(t)^{2}} \mid$$ dt

C

$$\int_{-\infty}^{\infty} \mid t.{f(t)^{2}} \mid$$ dt

D

$$\int_{-\infty}^{\infty} t.f(t) dt$$