equationcarte1.py

Created by acrozak02

Created on March 23, 2021

697 Bytes

# Type your text here

A(-1,2,5) n(-3,1,4)

1) determiner une equation carté
du plan p passant par A et de 
vecteur n
methode 1:
  
comme n (-3,1,4) est un vect normale
a P donc P est une equation carté 
de la forme -3x+y+4c+d=0

A(-1,2,5)appartient a P donc 
ses coordones verifient lequation
de P/
-3XA+YA+4ZA+D+0
dapres l'equation carté
-3x+y+4c+....=0

2eme methode :
M(x,y,z) un point de l'espace on a
(x+1,y-2,z-5)
m appartient P AM.n=0

2)soit B(3,8,7) determiner 
une equa carté du plan 
mediateu P' de AB

P est  le point passant par le
milieu I du sgment AB  et de 
vecteur normale AB

I() AB()
Iappartient P donc 
4xi+6yi+2zi+d=0 
P' a pour equation carte ....

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