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Question: Separable ODE

Question:Separable ODE

SandorSzabo 607 Maple
March 21 2008
0

dsolve(diff(r(t),t$1)=-r(t)*(-1+r(t)^2));

                       1                                  1           
     r(t) = ------------------------, r(t) = - ------------------------
                               (1/2)                              (1/2)
            (1 + exp(-2 t) _C1)                (1 + exp(-2 t) _C1)    

 

odeadvisor(diff(r(t),t$1)=-r(t)*(-1+r(t)^2));

                                [_quadrature]
 

I think the ode is separable and Maple forgot about the "trivial" solutions   y = 1 and  y = -1.

Thanks,         Sandor
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