Průsečík rovin
Úloha číslo: 2348
Určete souřadnice průsečíků trojic rovin \(\alpha: x+y+z-10=0\), \(\beta: x+y-z-4=0\), \(\gamma: -x+y+z-6=0\), \(\delta: x-y+z-8=0\) a to:
Varianta 1
\(\beta \cap \gamma \cap \delta \)
Varianta 2
\(\alpha \cap \gamma \cap \delta \)
Varianta 3
\(\alpha \cap \beta \cap \delta \)
Varianta 4
\(\alpha \cap \beta \cap \gamma \)