求极限lim(x→∞)x/(x²+1)(2+sinx)等于多少?
问题描述:
求极限lim(x→∞)x/(x²+1)(2+sinx)等于多少?
答
lim(x→∞)x/(x²+1)=lim(x→∞)1/(x+1/x)=0
|2+sinx|