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(x,y,z) =( Pr1,Pr2,Pr3) + t (vr1,vr2,vr3) = (Pr1 + t vr1, Pr2+ t vr2, Pr3+t vr2)
equação simétrica
correçao
| 1 3 = (3,1,3) correçao
| 1 3 2 d = - (3) (1) - (1) (-1) - (3) ) (0) = -2
2 3 x - 3 y + 2 z - 2 = 0
correçao
= (0,0,2) correçao
P= (x,y,z) = P_0 + t (1,0,-1) + r (-2,3,1)
t e r parametros
normal n = (1,0-1) X (-2,3,1)
-1 3= 3 i + j +3 k
ponto do plano (1,-1,0), calculo de d d = - n. (1,-1,0)
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