- #1

diewlasing

- 14

- 0

(x^2)/4 - (xsin(2ax))/4a - cos(2ax)/(8a^2).

And I know the solution works out to be a/2 somehow but I don't know how to get it. I worked it down to:

ax - 2sin(2ax) - 2/ax = 0. I don't know if this is the right track. Can someone shed some light on this?

Thanks in advance.