A.C1e-λx+C2 B.C1cosλx+C2sinλx C.ex(C1cosλx+C2sinλx) D.(C1+C2x)e-λx
A.y=C1e2x+C2ex+x B.y=C1y3+C2y2+(1-C1-C2)y1 C.y=C1(e2x-ex)+C2(x-ex)+e2x D.y=C1(e2x-ex)+C2(ex-x)+ex