lim(x^2-2)/x+5),x→∞求极限

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/05 21:43:33
lim(x^2-2)/x+5),x→∞求极限
x)ը35ԯ6ԩx6QǼgk|9sMR>aEv6DSRjceQ%uЬ BOg/xv ĽO7l|6c=HF 1Mbq

lim(x^2-2)/x+5),x→∞求极限
lim(x^2-2)/x+5),x→∞求极限

lim(x^2-2)/x+5),x→∞求极限
(x^2-2)/(x+5)
=(x^2-25+23)/(x+5)
=(x^2-25)/(x+5)+23/(x+5)
=(x-5)+23/(x+5)
lim(x^2-2)/x+5)
=lim((x-5)+23/(x+5)),x→∞
=x
=∞
因此极限就是∞