题目列表(包括答案和解析)
(文)非零不共线向量
、
,且2
=m
+n
,若
=λ
(λ∈R),则点Q(m,n)的轨迹方程是
A.x+2y-1=0
B.2x+y-1=0
C.x+2y-2=0
D.2x+y-2=0
| a |
| b |
| c |
| a |
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| a |
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| a |
| b |
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| OP |
| OA |
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| OC |
| a |
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| a |
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| a |
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| a |
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| a |
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| a |
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| a |
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| a |
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| a |
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| a |
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| OP |
| OA |
| OB |
| OC |
| a |
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| a |
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| a |
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| a |
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| A.1 | B.2 | C.3 | D.4 |
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