(07) two solutions of xy"-2y 0 are (a) 1/x and (8) 1x and x: (c) x and 1/x: (d) 1/x and x: (e) none of these (o8) u"- (a) 1/x: (b) 13x): (c)l/x: (d) sx; (e) none of these. (a) l/x: (b) inx: (c) in: (d) 1/x (b) none of these. (a) 1/(x); (b) ? /(3x4); (c) ? /x"; (d) 3x4; (e) none of these. (a)-1/(9); (b) 1/x3; (c) 9x": (d) 4x: (e) none of these. (12) the form of a particular solution ofy" +4y 2cos 2x is (09) u,- (10) u,' = (a) a cos 2x; (b) a cos 2x+ b sin 2x; (c) ax cos 2x + bx sin 2x; (d) axcos 2x +bxsin 2x; (b) none of these. (13) the form of a particular solution of y"-2y'+2y- 2e'sin x is (a) ax'e'cosx+bx'e'sin x; (b) axe'cos x+ bxe'sin x; (c) ae'cos x+be'sin x; (d) ae sin x; (e) none of these. (14) the form of a particular solution of y"-2y' +5y - e"cos 2x is y- (a) ae cos 2x; (b) e (ax cos 2x+bx'sin 2x); (c) e" (acos 2x+bsin 2x), (d) e (ax cos2x+bx sin 2x): (e) none of these. -01-