如图,反比例函数y=k/x(x>0)的图像经过线段OA的端点A,O为原点,作AB⊥x轴于点B,点B(2,0) tan∠AOB=3/21.求k的值 2 .将线段AB沿x轴正方向平移到线段DC的位置,反比例函数y=k/x(x>0)的图像恰好经过DC的重
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![如图,反比例函数y=k/x(x>0)的图像经过线段OA的端点A,O为原点,作AB⊥x轴于点B,点B(2,0) tan∠AOB=3/21.求k的值 2 .将线段AB沿x轴正方向平移到线段DC的位置,反比例函数y=k/x(x>0)的图像恰好经过DC的重](/uploads/image/z/3709789-61-9.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%8F%8D%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0y%3Dk%2Fx%28x%3E0%29%E7%9A%84%E5%9B%BE%E5%83%8F%E7%BB%8F%E8%BF%87%E7%BA%BF%E6%AE%B5OA%E7%9A%84%E7%AB%AF%E7%82%B9A%2CO%E4%B8%BA%E5%8E%9F%E7%82%B9%2C%E4%BD%9CAB%E2%8A%A5x%E8%BD%B4%E4%BA%8E%E7%82%B9B%2C%E7%82%B9B%282%2C0%29+tan%E2%88%A0AOB%3D3%2F21.%E6%B1%82k%E7%9A%84%E5%80%BC+2+.%E5%B0%86%E7%BA%BF%E6%AE%B5AB%E6%B2%BFx%E8%BD%B4%E6%AD%A3%E6%96%B9%E5%90%91%E5%B9%B3%E7%A7%BB%E5%88%B0%E7%BA%BF%E6%AE%B5DC%E7%9A%84%E4%BD%8D%E7%BD%AE%2C%E5%8F%8D%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0y%3Dk%2Fx%EF%BC%88x%EF%BC%9E0%EF%BC%89%E7%9A%84%E5%9B%BE%E5%83%8F%E6%81%B0%E5%A5%BD%E7%BB%8F%E8%BF%87DC%E7%9A%84%E9%87%8D)
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