My friend,you'r great,a>e^(1/e) An is divergent. Why?Because...

y=a^x,y'=lna*a^x;y=x,y'=1;we have lna*a^x=1 and a^x=x,...lna*a^(1/lna)=1,...a=e^(1/e)=1.444667861...

Good noght.

所有跟帖： 

• thank you for the effort. This is the only -yma16- ♂ (450 bytes) () 01/20/2011 postreply 18:27:29

• Thanks,you are right. A old want to say....why the big one is no -jinjing- ♀ (302 bytes) () 01/21/2011 postreply 10:53:30

• I also found another example that taking a limit -yma16- ♂ (373 bytes) () 01/21/2011 postreply 17:42:54