大一数学极限
求lim根号（x）-1/根号（3x+1）-2=?x→1
括号内为根号内数字.本人还没学各种定理,麻烦各位高手化解,谢谢.
人气：321 ℃ 时间：2020-03-26 22:33:41
解答
等于2/3..你把分母有理化,然后上下消去根号(x)-1
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