Question

Integrate 1/ [x√(4-(lnx)^2) ]

Answer 1

I started with a u subsitution to get rid of the ln x and the du= 1/x io just wanted to see if my answer matched one of yours??? Medal for replies...

Answer 2

just by looking at it, im seeing trig substitution as a viable answer maybe...

as you have two squared numbers underneath the radical.

Answer 3

yes, my answer was sin^-1 ( lnx/2 ) + c but im not sure if thats correct...

Answer 4

It is correct.

Answer 5

Thanks!!!!!!