Question

laplace transform of the signal u(t) is_______​

Answer 1

Answer:

Explanation: (e-2t – 1)2 = e-4t – 2e-2t + 1

We know that, L {e-at} = \frac{1}{s+a}

L {1} = \frac{1}{s}

∴L {(e-2t – 1)2} = L {e-4t – 2e-2t + 1} = \frac{1}{s+4} – \frac{2}{s+2} + \frac{1}{s}.