Question

Improper Integral Type 1

Answer 1

http://prntscr.com/km2do9

Answer 2

Do you know how to integrate
\[\int\limits_{1}^{a}\frac{1}{x}dx\]

Answer 3

You basically just integrate it normally, then once you have your answer, you do
\[\lim_{a \rightarrow \infty} \] to see if the limit is a number.
If it's infinity, then it diverges.

Answer 4

yeap ^

Thank you @mhchen ;)