- #1

VikingStorm

## Main Question or Discussion Point

I'm having problems with this one:

y= [sec^2(x)] / [x^2 + 1]

dy = tanx(x^2+1) - 2x(sec^2) dx / (x^2+1)^2

That's basically what I got so far, is that it, or can I simplify more (or did I derive something wrong)?

y= [sec^2(x)] / [x^2 + 1]

dy = tanx(x^2+1) - 2x(sec^2) dx / (x^2+1)^2

That's basically what I got so far, is that it, or can I simplify more (or did I derive something wrong)?