0 votes 0 votes Let $X(\omega)$ be the Fourier transform of the signal \[ x(t)=e^{-t^{4}} \cos t, \quad-\infty < t < \infty.\] The value of the derivative of $X(\omega)$ at $\omega=0$ is (rounded off to 1 decimal place). new gate2024-ee numerical-answers + – Arjun asked Feb 16 • edited Feb 25 by makhdoom ghaya Arjun 15.9k points answer comment Share See all 0 reply Please log in or register to add a comment.