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An homogeneous system of equations.

We denote here by $\mathcal{S}$ the set of solutions of the following system of homogeneous linear equations :

 \begin{displaymath}
\begin{cases}x+2y-z=0 \\ 3x-5y+2z=0 \end{cases}\end{displaymath} (4.2)

Let (x1,y1,z1) and (x2,y2,z2) be two elements of $\mathcal{S}$. Then:



Noah Dana-Picard
2001-02-26