向量a=,c=.下列结论正确的是 A.a∥b.b⊥c? B.a∥b.a⊥c?C.a∥c.a⊥b? D.以上都不对 【
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题目列表(包括答案和解析)
向量
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=(-2,-3,1),
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=(2,0,4),
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=(-4,-6,2),下列结论正确的是( )
A.
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∥
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,
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⊥
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B.
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∥
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,
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⊥
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C.
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∥
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,
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⊥
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D.以上都不对
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向量
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=(-2,-3,1),
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=(2,0,4),
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=(-4,-6,2),下列结论正确的是( )
A.
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∥
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,
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⊥
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B.
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∥
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,
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⊥
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C.
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∥
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,
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⊥
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D.以上都不对
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向量
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=(-2,-3,1),
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=(2,0,4),
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=(-4,-6,2),下列结论正确的是( )
A.
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∥
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,
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⊥
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B.
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∥
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,
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⊥
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C.
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∥
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,
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⊥
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D.以上都不对
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向量
=(-2,-3,1),
=(2,0,4),
=(-4,-6,2),下列结论正确的是( )
查看答案和解析>>