Differential equations approx method

[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

please help!

 

[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.