f(t) = t, then its Laplace transform is?

• A. \(\frac{(s)sin(b)+acos(b)}{s^2+a^2}\)
• B. +acos(b)}{s^2+a^2}\) b) \(\frac{2as^2}{(s^2+a^2)^2}\)
• C. \(\frac{\Gamma(p+1)}{s^{p+1}}\)
• D. 1/s2