Ecuatie cu doua functii
Posted: Fri Jan 04, 2008 7:58 pm
Determinati functiile \( f,g:\mathbf{R}\rightarrow \mathbf{R} \) astfel incat
1)\( f(xg(y+1))+y=xf(y)+f(x+g(y)) \)
2)\( f(0)+g(0)=0 \)
Bulgaria TST 2007
1)\( f(xg(y+1))+y=xf(y)+f(x+g(y)) \)
2)\( f(0)+g(0)=0 \)
Bulgaria TST 2007