(A)cosx−2sinxx+2cosxx2+xlogx3−x9+cx2(B)−cosx+2sinxx+2cosxx2+xlogx3−x9+cx2(C)cosx+2sinxx−2cosxx2−xlogx3−x9+cx2(D)=−cosx+2sinxx+2cosxx2−xlogx3−x9−cx2