Solve a simple limit

1. Jul 4, 2012

spectrum123

here is the Q. i want a general term for Ʃx^(-1) for which limits are x from 0 to n
or simply a general term for 1-1+2-1+3-1+4-1+..... till n

2. Jul 4, 2012

3. Jul 5, 2012

spectrum123

ok thanks but i didn't get the result????

4. Jul 5, 2012

mathman

There is no exact expression - it is ≈ ln(n).

5. Jul 5, 2012

Bohrok

The section on Rate of divergence gives a formula for the kth partial sum:

6. Jul 6, 2012

spectrum123

ok now i know its out of my domain... thanks for helping