Given that F(s) is the one-sided Laplace transform of f(t), the Laplace transform of $$\int\limits_0^t {f\left( \tau \right)} d\tau $$   is

A. sF(s) - f(0)

B. $${1 \over s}F\left( s \right)$$

C. $$\int\limits_0^s {F\left( \tau \right)} d\tau $$

D. $${1 \over s}\left[ {F\left( s \right) - f\left( 0 \right)} \right]$$

Answer: Option B