Question 949224
OK, I'll give you three cases to think about.
{{{r>1}}} say {{{r=2}}}
{{{r=1}}}
{{{r<1}}} say {{{r=1/2}}}
Now let n get large, say {{{n=20}}}. What happens in each case?
Now let {{{n=50}}}.
So what can you say about each case as n gets larger and larger.
Repost if you need more help.