[理工] [線代] 98 師大資工
Which of the following statements is correct?
(a) The vectors (5,-1, 6) (2,4,1) and (0,1,1) in R^3 lie in a plane.
(b) The vectors (1,1,3) (2,0,5) and (1,-3,1) in R^3 lie in a plane.
想請問為什麼是B?
我的想法是"不共線即為一平面"
用兩兩的向量來看
a, b 的三點似乎都不共線 ...
謝謝
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