/sci/ - Science & Math

>>9396775
I guess this?
[math]\lim_{x\to 0}\frac{u}{2(u-π)}[/math]
Which doesn't lead to anywhere? Why do I have to fuck up every time.

Also see pic related, it's the next sub-question. Did I fuck everything up or you have to solve it using something else?

Thanks for the help so far anon.