Google said that
log(-1) =
1.36437635 i
Why?
Log -1??????
2015-12-29 2:43 pm
回答 (3)
2015-12-29 2:49 pm
Because 10^(1.36437635i) = -1
2015-12-29 3:08 pm
????
Non esiste .in R.
y=logx dominio x> 0.
-1 <0
campo complesso.
-1= -1+0i=cos pi+i sin pi= e^(i*pi)
log (-1)=log (e^(pi))
=1,364.......
Non esiste .in R.
y=logx dominio x> 0.
-1 <0
campo complesso.
-1= -1+0i=cos pi+i sin pi= e^(i*pi)
log (-1)=log (e^(pi))
=1,364.......
2015-12-29 2:55 pm
because i equals sqrt of (-1 )
收錄日期: 2021-05-01 01:20:27
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20151229064314AAwHgmO