If fx=xcosx+loge1-x1+x; x≠0a ; x=0 is odd, then a = __________
For x≠0, fx=xcosx+loge1-x1+x∴ f-x=-xcos-x+loge1+x1-x =-xcosx-loge1-x1+x =-fxFor x=0, we must have f-x=-fx∴ a=-a∴ a=0