1. ## Limit Proof

Hello MHF,
Just doing some study for my final, and not sure on the proof of this question;
Prove that $\lim_{x\to0}x^4\cos\frac{2}{x}=0$

Cheers,

2. Originally Posted by Robb
Hello MHF,
Just doing some study for my final, and not sure on the proof of this question;
Prove that $\lim_{x\to0}x^4\cos\frac{2}{x}=0$

Cheers,
$\left| x^4 \cos \left( \frac{2}{x} \right) \right| < x^4$

CB