Signals and Systems - Engineering

Q1:

The Laplace transform of impulse δ(t) is

A 1

B 1/s

C s

D 1/s2

ANS:A - 1

£f(t) = £-1F(s) = f(t) £[a f1(t) + bf2(t)] = aF1(s) + bF2(s) where £[f(t - T)] = e-sT F(s) £[e-at f(t)] = F(s + a) Initial value theorem Final value theroem Convolution Integral where t is dummy variable for t.