解:∵a²-3a+1=0 ∴ a≠0 ﹙a²-3a+1﹚/a=0 a+1/a=3 ﹙a+1/a﹚²=3² a²+2+1/a²=9 a²+1/a²=7 ∵ ﹙a^4+1﹚/a²=a²+1/a²=7∴ a²/﹙a^4+1﹚=1/7.