reyesr700 reyesr700 03-04-2018 Mathematics contestada Find the solution of the given initial value problem. y(4) + 2y''' + y'' + 8y' − 12y = 12 sin t − e−t; y(0) = 7, y'(0) = 0, y''(0) = −1, y'''(0) = 4 y(t) =
