[1} Let Cl and 6'2 be arbitrary,r constants. The general solution to the homogeneous differential equation 400323;" + 7201-3! + 185;; = D is the function mm] = Cl y1[3}+ CZ sight} 2 01 +02 [2} The unique solution to the initial 1.ralue problem 400:2y\"+ r2013; + 135;; = 0, yo) = s, 33(1) 2 _5_ is the function 39(2) = for: E For oo type -inir and for 00 type inf