三角形ABC中,向量AB*AC=9,sinB=cosAsinC,面积为6,p为线段AB上一点,且向量CP=X*向量CA//CA/模+y*向量CB//CB/模,则1/x+1/y的最小值答案;(7/12+根号下3/3)报纸11我今年高考,我会给您加分的!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 05:52:49
![三角形ABC中,向量AB*AC=9,sinB=cosAsinC,面积为6,p为线段AB上一点,且向量CP=X*向量CA//CA/模+y*向量CB//CB/模,则1/x+1/y的最小值答案;(7/12+根号下3/3)报纸11我今年高考,我会给您加分的!](/uploads/image/z/2558373-69-3.jpg?t=%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2C%E5%90%91%E9%87%8FAB%2AAC%3D9%2CsinB%3DcosAsinC%2C%E9%9D%A2%E7%A7%AF%E4%B8%BA6%2Cp%E4%B8%BA%E7%BA%BF%E6%AE%B5AB%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E4%B8%94%E5%90%91%E9%87%8FCP%3DX%2A%E5%90%91%E9%87%8FCA%2F%2FCA%2F%E6%A8%A1%2By%2A%E5%90%91%E9%87%8FCB%2F%2FCB%2F%E6%A8%A1%2C%E5%88%991%2Fx%2B1%2Fy%E7%9A%84%E6%9C%80%E5%B0%8F%E5%80%BC%E7%AD%94%E6%A1%88%3B%287%2F12%2B%E6%A0%B9%E5%8F%B7%E4%B8%8B3%2F3%29%E6%8A%A5%E7%BA%B811%E6%88%91%E4%BB%8A%E5%B9%B4%E9%AB%98%E8%80%83%EF%BC%8C%E6%88%91%E4%BC%9A%E7%BB%99%E6%82%A8%E5%8A%A0%E5%88%86%E7%9A%84%EF%BC%81)
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