Math problem! show detail. thanks?
回答 (2)
2016-01-20 5:38 am
✔ 最佳答案
(b⁵ b⁻² / b⁻³)^(1/2)= (b⁵⁻² / b⁻³)^(1/2)
= (b³ / b⁻³)^(1/2)
= [ b³⁻⁽⁻³⁾ ]^(1/2)
= ( b⁶ )^(1/2)
= b^(6/2)
= b³
∴ B.
2016-01-26 2:09 pm
(b⁵ b⁻² / b⁻³)^(1/2)
= (b³ / b⁻³)^(1/2)
= ( b⁶ )^(1/2)
= b³
∴ B
= (b³ / b⁻³)^(1/2)
= ( b⁶ )^(1/2)
= b³
∴ B
收錄日期: 2021-04-18 14:25:00
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160119202309AAlPbrM