Limx (3 ^ N + 2)/(3 ^ N + 5)=&

Limx (3 ^ N + 2)/(3 ^ N + 5)=&
Anonim

回答:

校验

说明:

  • #lim_(N - > + )(3 ^ N + 2)/(3 ^ N + 5)# #= _(N - > + )^((/ 3 ^ N)#

#lim_(N - > + )(1 + 2/3 ^ N)/(1 + 5/3 ^ N)# #=#

#1#, #3 ^ X#

图{3 ^ x -10,10,5,-5,5}}

#A / 3 ^ X#

图{5/3 ^ x -10,10,5,-5,5}}

  • #lim_(N - > - )(3 ^ N + 2)/(3 ^ N + 5)# #=#

#2/5#