The Fourier transform of a function x(t) is X(f). The Fourier

The Fourier transform of a function x(t) is X(f).
The Fourier transform of dx(t) will be—
dt

If x(t) ↔ X(jω)

then	d	x(t) ↔ (jω) X(jω)
	dt

or	d	x(t) ↔ j2πf·X(f)
	dt

The Fourier transform of	dx(t)	will be—
	dt