limit tends to negative infinity,
((x^2+2x)^0.5)-((x^2+1)^0.5)
can anyone help me? I know that the answer is -1, but I don't know how to calculate it.
收錄日期: 2021-04-16 16:36:46
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20141025000051KK00073