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

题目

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

答案

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