共50条信息
设集合\(A=\{(x,y)|\dfrac{y-3}{x-1}=2,x,y\in \mathbf{R}\}\),\(B=\{(x,y)|4x+ay-16=0\),\(x\),\(y∈R\}\),若\(A∩B=Φ\),则\(a\)的值为\((\) \()\)
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