lim (n→∞)(n^2(1/(n^2+1)+3/(n^2+3)+5/(n^2+5)...99/(n^2+99))求极限

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/15 09:06:59
lim (n→∞)(n^2(1/(n^2+1)+3/(n^2+3)+5/(n^2+5)...99/(n^2+99))求极限

lim (n→∞)(n^2(1/(n^2+1)+3/(n^2+3)+5/(n^2+5)...99/(n^2+99))求极限
lim (n→∞)(n^2(1/(n^2+1)+3/(n^2+3)+5/(n^2+5)...99/(n^2+99))
求极限

lim (n→∞)(n^2(1/(n^2+1)+3/(n^2+3)+5/(n^2+5)...99/(n^2+99))求极限
lim (n→∞)(n^2(1/(n^2+1)+3/(n^2+3)+5/(n^2+5)...+99/(n^2+99))
=lim (n→∞)(n^2/(n^2+1))+lim (n→∞)(3n^2/(n^2+3))+lim (n→∞)(5n^2/(n^2+5))+...+lim (n→∞)(99n^2/(n^2+99))
=1+3+5+7+...+99
=2500

在趋于无穷时  那个分母加多少没影响

收起