(Gradable). Solve the following homogeneous and inhomogeneous systems (all of the eigenvalues and eigenvectors should be 'nice'). (a) i = ( 2 2) y. (b) y = (c) y = y. 2), (32) y + (( sin (31) -3 4 1 cos(4t) e (d) v = (- i) v + (2 sin(t)) - i -2 e2tt