极限练习题lim(n->∞)[(n^2+3n-8)/(4n^2+2n+3)]_数学解答

极限练习题lim(n->∞)[(n^2+3n-8)/(4n^2+2n+3)]

人气：162 ℃　时间：2020-02-04 23:11:36

解答

lim(n->∞)[(n^2+3n-8)/(4n^2+2n+3)] =lim(n->∞)[(1+3(1/n)-8(1/n^2))/(4+2(1/n)+3(1/n^2))] =1/4