Differential equations approx method

1. Feb 2, 2009

JosephLee

dy/dt = t^2 - y^2

I can't seem to differentiate this. I've tried so many different things but with no avail

2. Feb 2, 2009

tiny-tim

Hi JosephLee!

(use the X2 tag just above the reply box )

Do you mean integrate? If so …

Hint: t2 - y2 = (t+y)(t-y), so try a substitution.