已知两直线的方程L1:(x-1)/1=(y-2)/0=(z-3)/(-1),L2

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问题 已知两直线的方程L1:(x-1)/1=(y-2)/0=(z-3)/(-1),L2:(x+2)/2=(y-1)/1=z/1,则过L1且与L2平行的平面方程为(  )。A.(x-1)-3(y-2)+(z+3)=0B.(x+1)+3(y-2)+(z-3)=0C.(x-1)-3(y-2)+(z-3)=0D.(x-1)+3(y-2)+(z-3)=0

选项 A.(x-1)-3(y-2)+(z+3)=0
B.(x+1)+3(y-2)+(z-3)=0
C.(x-1)-3(y-2)+(z-3)=0
D.(x-1)+3(y-2)+(z-3)=0

答案 C

解析
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