作业帮lim x-1 X²-1/2X²-X-1=多少lim x-1 X²-1/2X²-X-1=多少
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/15 06:12:00
lim x-1 X²-1/2X²-X-1=多少lim x-1 X²-1/2X²-X-1=多少
lim x-1 X²-1/2X²-X-1=多少
lim x-1 X²-1/2X²-X-1=多少
lim x-1 X²-1/2X²-X-1=多少lim x-1 X²-1/2X²-X-1=多少
lim x→1 (X²-1)/(2X²-X-1)
=lim x→1 [ (X-1)(X+1)/(2X+1)(X-1)]
=lim x→1 (X+1)/(2X+1)
=2/3