mathematics is really discouraging because it requires you to remember like the 4 previous semesters of knowledge and my brain just doenst work that...
Whoops! Yes, I missed a minus sign out front of the whole thing. It should really be -\dfrac{2(t^2-1)}{(1+t^2)^2}. Flipping the order of the terms in...
No argument from me at all...calculus is very very dependent on knowing the advanced algebra and the trigonometry...i suspect most people are passed...