Question

How do we prove that lim of sigma 1/k is +oo

Answer 1

\[\huge \sigma \frac 1k = +\infty\]
??

Answer 2

maybe you mean summation ( 1/ k) where k goes from 1 to infinity ?

Answer 3

on the LHS*

Answer 4

the limite of the summation 1/k where k goes from 0 to n

Answer 5

And n goes to infinity

Answer 6

\[\lim\limits_{n\rightarrow\infty}\quad \sum\limits_{k=0}^n\quad\frac{1}{k}\]

Answer 7

??

Answer 8

Yes that's right. Please help

Answer 9

well just try the fist term , when k=0....

Answer 10

Yeah but that's not possible. what if k goes from 1 to n, what do we do then?