What is the factorial of "0"?
回答 (14)
2009-04-24 10:52 am
✔ 最佳答案
8! = 403207! = 8!/ 8 =5040
6! = 7!/ 7=720
5! = 6!/ 6 =120
4! = 5!/ 5 = 24
3! = 4!/ 4 = 6
2! = 3!/ 3 =2
1! = 2!/ 2 =1
0! = ?
so 0! = 1!/ 1 = 1/1 =1
now what is (-1)! ?
(-1)! = 0! / 0 = 1 / 0 = infinity, just kidding there is no negative factorial
2009-04-24 4:56 pm
1
2009-04-24 5:48 pm
0! = 1
參考: Why factorial of 0 is 1?
http://mathforum.org/dr.math/faq/faq.0factorial.html
2009-04-24 5:44 pm
is 1
2009-04-24 5:32 pm
it is 1
2009-04-24 5:14 pm
1
2009-04-24 5:01 pm
1
2009-04-24 5:00 pm
1
2009-04-24 4:59 pm
1
收錄日期: 2021-05-01 12:20:35
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090424015312AADhaHy