向量的問題

[gogoabc (小多愛喝養樂多)]

The plane that pass through the point (-1,2,1) and contains the intersection
of the planes x+y-z=2 and 2x-y+3z=1

答案是x-2y+4z=-1

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推 target8917:平面系E1+kE2=0 再代入點座標求解k
推 tim8238818:這用高中數學平面族的觀念就可以囉