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Next: Exercice 40 Up: Index Previous: Exercice 38

Exercice 39

Trouver $m$ tel que les droites

\begin{displaymath}\left\lbrace
\begin{array}{l}
x=\displaystyle\frac{z}{m\strut}+m \\
y=-2z+3-m
\end{array}
\right.\end{displaymath}

et

\begin{displaymath}\left\lbrace
\begin{array}{l}
x=\displaystyle\frac{-z}{2m\...
...\
y=-\displaystyle\frac{z\strut}{2}-m+3
\end{array}
\right.\end{displaymath}

soient coplanaires.
Thème(s) : Géométrie

Non corrigé.