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1、設直線L:x-2y+3=0 ,若A(-1,2) 與B(3,k) 在L的異側,則k的範圍?(A)k<3 (B)k>3 (C)k<0 (D)K>0
問題詳情
1、設直線L:x-2y+3=0 ,若A(-1,2) 與B(3,k) 在L的異側,則k的範圍?
(A)k<3
(B)k>3
(C)k<0
(D)K>0
參考答案
答案:A
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