Hallo to all, i have a problem with calculating a integral, i tried it with substitution and partial integration, but had no luck. Please help if someone have an idea. Thank you!

The result is one of the following:

a) 1

b) 2

c) ln 2

d) 1/4 *ln 5

4) 1/2 * ln 3

(the problem is described in the picture)