## anonymous 5 years ago 2tv''-v'=0, solve the differential equation. How to solve for v'(t) by seperation of variable?

1. anonymous

help... SOS!!!

2. anonymous

I think you have to use reduction of order first.

3. anonymous

Yeah, try setting $u(t)=\frac{dv}{dt}\rightarrow \frac{d^2v}{dt^2}=\frac{du}{dt}$Plug in and go to town.