solve
^4√x^3 =8
x^(3/4)=8
then?
solve ^4√x^3 =8
2008-07-23 8:57 am
回答 (2)
2008-07-23 9:09 am
✔ 最佳答案
^4√x^3 =8^4√x^3 =2^3 (<--- change the right hand side "8" into the same base as the left hand side first, that is "2")
therefore, ^4√x =2
x=2^4=16
參考: Me
2008-07-23 9:12 am
solve
-^4√x^3 =8
- x^3=8^4
- x=^3√4096
- =16
-^4√x^3 =8
- x^3=8^4
- x=^3√4096
- =16
收錄日期: 2021-04-13 15:51:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080723000051KK00151