The Laplace transform of a function f(t) is F(s) = $$\frac{5s^2+23s+6}{s\left(s^2+2s+2\right)}$$. As $$t\rightarrow\infty$$, f(t) approaches

The Fourier series for the function f(x) = sin² x is

The RMS value of the voltage v(t) = 3 + 4cos(3t) is