$\lim \limits _{n \to \infty} (3^n+1)^{\frac{1}{n}} = ?$
The help tip says I should use squeeze theorem but somehow still can't figure it out :/
Asked
Active
Viewed 108 times
-1
-
2Limit as n approaches what? – Omar Nagib Aug 07 '16 at 12:26
-
n approached infinity – AhBeng Aug 07 '16 at 12:33
1 Answers
2
If it's infinity you can use $3^n\leq 3^n+1\leq 3^{n+1}$ ie the sandwich theorem
Archis Welankar
- 15,910