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author committer David A. Madore 2020-06-15 20:44:14 +0200 David A. Madore 2020-06-15 20:44:14 +0200 38787d70afee982c69f828eaa38988aeac7930a4 (patch) f9966d5d40a73102f3d4b02235c69ce38c0bbba7 f166d13aaa7c398bfdd44cb31e2d8ab076f94fee (diff) accq205-38787d70afee982c69f828eaa38988aeac7930a4.tar.gzaccq205-38787d70afee982c69f828eaa38988aeac7930a4.tar.bz2accq205-38787d70afee982c69f828eaa38988aeac7930a4.zip
Unvariant a question.
-rw-r--r--controle-2020qcm.tex32
1 files changed, 29 insertions, 3 deletions
 diff --git a/controle-2020qcm.tex b/controle-2020qcm.texindex c40083b..5bda3b8 100644--- a/controle-2020qcm.tex+++ b/controle-2020qcm.tex@@ -442,8 +442,6 @@ $\infty$ % % -\begin{qvar}- \begin{question} Dans l'espace projectif $\mathbb{P}^3$ (disons, sur $\mathbb{R}$) de@@ -461,6 +459,11 @@ un point \end{question} ++%+%+%+ \begin{question} Dans l'espace projectif $\mathbb{P}^3$ (disons, sur $\mathbb{R}$) de@@ -478,7 +481,30 @@ l'ensemble vide \end{question} -\end{qvar}++%+%+%++\begin{question}++Dans l'espace projectif $\mathbb{P}^3$ (disons, sur $\mathbb{R}$) de+coordonnées homogènes $(T{:}X{:}Y{:}Z)$, les équations $T = X = Y = Z+= 0$ définissent...++\rightanswer+l'ensemble vide++\answer+le point $(0{:}0{:}0{:}0)$++\answer+une droite++\answer+une surface++\end{question} %