If f(t) = cos(at) – atsin(at), then its Laplace transform is given by?

• A. sinat2
• B. \(\frac{s(s^2-a^2)}{(s^2+a^2)^2}\)
• C. \(\frac{\Gamma(p+1)}{s^{p+1}}\)
• D. Does not exist