Question

How do you evaluate the definite integral `int 2/(x+1)` from `[0,1]`?

Answer 1

`ln4`

Explanation:

This can be integrated using `int1/xdx= ln|x| + C`.

`=[2ln|x + 1|]_0^1`

`=2ln|2| - 2ln|1|`

`=2ln2=ln4`

Hopefully this helps!