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求助,在线等。

rett 2012-12-18 21:35:24 ( reads)

会微积分的大侠:

N = 10^100

log(N!) = X 乘 N.

那么 X 约等于多少哪?

跟帖(4)

jinjing

2012-12-19 07:11:20

99.7

NaCl

2012-12-22 20:12:08

回复:I tried.

jinjing

2012-12-23 19:01:50

sterling formula: n!=... =(2Pi*n)^.5*(n/e)^n

wxcfan123

2012-12-24 14:25:35

following your idea, one can get a good result 100 without any c