Use the Sandwich/Squeeze Theorem to prove that

$\displaystyle \lim_{n\rightarrow \infty} 2^{-n}\cos(n^3-n^2-13)$

exists.

What is the limit?

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- Oct 26th 2008, 08:27 AMCaitySandwich Theorem
Use the Sandwich/Squeeze Theorem to prove that

$\displaystyle \lim_{n\rightarrow \infty} 2^{-n}\cos(n^3-n^2-13)$

exists.

What is the limit? - Oct 26th 2008, 08:33 AMThePerfectHacker
- Oct 26th 2008, 08:34 AMMoo
- Oct 26th 2008, 08:38 AMCaity
I did that Moo... then I got stuck... I have a problem saying it all... I was also wondering if I needed to use a subsequence to prove it...

- Oct 26th 2008, 08:40 AMMoo