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seen Jan 13 '13 at 23:17

Dec
14
awarded  Supporter
Dec
14
comment Existence of invariant set in dynamical system generated by ODE
Thank you. Now I have to solve $x+\sin{(xy+2)}-7=0 $, $-y+\arctan{(x^2+y^3-6)}=0$
Dec
13
awarded  Editor
Dec
13
revised Existence of invariant set in dynamical system generated by ODE
added 175 characters in body
Dec
13
asked Existence of invariant set in dynamical system generated by ODE
Dec
13
answered Not empty omega limit set
Dec
13
awarded  Teacher
Dec
13
answered How to prove that $\sum_{r=0}^n\binom{n}{r}2^r=3^n$