lim(n→∞)(n^2-2n+3)/2n^2+2n^2-1)的极限
问题描述:
lim(n→∞)(n^2-2n+3)/2n^2+2n^2-1)的极限
答
lim(n→∞)(n^2-2n+3)/2n^2+2n^2-1)
方法一:分子分母同除最高次幂即n^2,然后分别计算即可,
方法二:洛必达法则
结果:1/2