急!!!求解答过程!!!

2024-12-27 10:25:55
推荐回答(1个)
回答1:

用罗比达法则,x→1时
[1-x^(1/2)]/[1-x^(1/3)]
→[(-1/2)x^(-1/2)]/[(-1/3)x^(-2/3)]
→3/2.