2^2=2*2
那麼2^0.5 , 2^-2 , 和 2^-0.5這些要點計?
2^0.5 , 2^-2 , 和 2^-0.5這些要點計?
2007-09-10 2:58 am
回答 (1)
2007-09-10 3:01 am
✔ 最佳答案
2^0.5 means the square root of 22^-2 means 1/(2^2)
2^-0.5 means 1/(2^0.5)
2007-09-09 19:03:12 補充：
16^0.5=42^-2=1/416^-0.5=1/4REMEMBER THERE IS NO 0^-1 (ERROR INFINITY)EVERY x^0 is equal to 1 4^0=1
2007-09-12 19:12:09 補充：
0^-1 INFINITY REAL SOLUTIONS
收錄日期: 2021-04-23 14:07:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070909000051KK04008