Section 3.8 Forced Mechanical Vibration: Problem 3 (1 point) The solution to the Initial value problem at" + 23' l 82:: = 2605(7t], 3(0) = 0, 29(0) = 0 is the sum of the steady periodic solution $39 and the transient solution 2:\". Find both 9:8,, and 27.3,. $51., I it? =