Mathematics
Senior High
想要請問題目從哪裡可以看出是無解
(解答說題幹是無解的意思但沒有具體說出從哪裡看出來的)
類題
2
已知空間向量=(1,2,3)=(2,3,1)=(1,1,k),d=(-1,0,4),若不存在實數x、
y、z使得d=x+yb+zc,則k值為
【解
x+2y+8=1
176
2x+3y+2=0
| 3x+y+k8=4
2117
2
3 1
3
I k
+
21-1
-1-12
2
6-5 K-37
00k+2 -3
Answers
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