QUESTIONS Q1) Compute bi-lateral unilateral Laplace transform of the following signal. x (t) = e'u (t) + e*u(-t) Q2) Find frequency and impulse response of the following causal LTI system. y' (t) + 4y' (t) + 3y (t) = 2x (t). Q3) Find Fourier transform of the following signal. Plot its magnitude and phase spectra. x (t) = 8 (t) + 28 (t-1)+8 (-2) Q4) Let b (t) = u(t+1)-u(t-1). Compute y (t) = b (t)*b (t-1)