I'm not sure how to start this off...
$\displaystyle \lim_{n\to\infty} \sqrt{n+1} - \sqrt{n}$
I can think of a logical way to say this does not converge to zero.. which is what i need, but how do I do this algebraically?
Thanks
I'm not sure how to start this off...
$\displaystyle \lim_{n\to\infty} \sqrt{n+1} - \sqrt{n}$
I can think of a logical way to say this does not converge to zero.. which is what i need, but how do I do this algebraically?
Thanks