怎样求当趋向无穷时y=(x²+1)/(x²-1)½的极限?
问题描述：
怎样求当趋向无穷时y=(x²+1)/(x²-1)½的极限?
答
x→＋∞lim y=(x²+1)/(x²-1)½=x→＋∞limx=＋∞是不是题抄错了?y=(x+1)/(x²-1)½ 如果是：x→＋∞lim y=(x+1)/(x²-1)½=x→＋∞lim [(x+1)/(x-1)]½ =1½ =1...