Is the domain for (x^2-8x)^(1/4)
(-inf,0)U(0,8)U(8,inf)?
it has to be something to do with 0 and 8 but I am not sure.....
收錄日期: 2021-05-01 00:54:32
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120918204541AAbodgp