Thread: Maybe Reimann sums...

I need to compute the followings sums:

1. lim(n-->inf)Sigma(k=n --> 2n) 1/k

2. lim(n-->inf)Sigma(k=1 --> n) {(n^2 * k)/(n^2+k^2)^2}


Thank you for your assistance.

[quote=Also sprach Zarathustra;516517]I need to compute the followings sums:

Yes, these do look like Riemann sums. Just look at them close and they kind of resemble something.

Try

Try

You have a very funny avatar, thats thing name?
...and I will try it right now, thank you!