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已知实数 http://picflow.koolearn.com/upload/papers/20140824/20140824044023719266.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824044023751310.png满足约束条件 http://picflow.koolearn.com/upload/papers/20140824/201408240440237821183.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824044023797594.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824044023797557.png,设 http://picflow.koolearn.com/upload/papers/20140824/20140824044023922231.png表示向量 http://picflow.koolearn.com/upload/papers/20140824/20140824044023938292.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824044023953307.png方向上的投影,则 http://picflow.koolearn.com/upload/papers/20140824/20140824044023922231.png的取值范围是 (   )

发布时间:2021-07-19

A.http://picflow.koolearn.com/upload/papers/20140824/20140824044023985614.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824044024000401.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824044024016769.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824044024031628.png

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