If F(s) and G(s) are the Laplace transform of f(t) and g(t), then their product F(s).G(s) = H(s), where H(s) is the Laplace transform of h(t), is defined as

A. (f.g)(t)

B. $$\int_0^{\text{t}} {{\text{f}}\left( \tau \right){\text{g}}\left( {{\text{t}} - \tau } \right){\text{d}}\tau } $$

C. Both A and B are correct

D. f(t).g(t)

Answer: Option B