(-1)^(4/4) = 1 or -1?
回答 (3)
2012-12-12 12:11 am
✔ 最佳答案
當然係 -1因為
(-1)^(4/4)
=(-1)^(1)
=-1
2012-12-12 12:48 am
負負得正這個遊戲規則不適用於開方根號內, 否則:
i = √(-1)
i^2 = √(-1) √(-1)
= √[(-1)(-1)]
= √1
= 1
i = √(-1)
i^2 = √(-1) √(-1)
= √[(-1)(-1)]
= √1
= 1
2012-12-12 12:19 am
To help:
How would you explain:
(- 1)^(4/4) = ∜[(- 1)⁴] = ∜1 = 1
How would you explain:
(- 1)^(4/4) = ∜[(- 1)⁴] = ∜1 = 1
收錄日期: 2021-04-13 19:12:02
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20121211000051KK00151