已知点A(1,-2,0)和向量a=(-3,4,12),若向量a,且,则B点的坐标为
A.(-5,6,24) | B.(-5,6,24)或(7,-10,-24) |
C.(-5,16,-24) | D.(-5,16,-24)或(7,-16,24) |
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已知点A(1,-2,0)和向量a=(-3,4,12),若向量a,且,则B点的坐标为
A.(-5,6,24) | B.(-5,6,24)或(7,-10,-24) |
C.(-5,16,-24) | D.(-5,16,-24)或(7,-16,24) |
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