如图所示,抛物线y=-(x-√3 m)²(m<0)的顶点为A,直线l:y=(√3 /3)x-m与y轴交点为B1.写出抛物线的对称轴及顶点A的坐标(用含m的代数式表示)2.证明A在直线l上,并求∠OAB的度数3.动点Q在
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![如图所示,抛物线y=-(x-√3 m)²(m<0)的顶点为A,直线l:y=(√3 /3)x-m与y轴交点为B1.写出抛物线的对称轴及顶点A的坐标(用含m的代数式表示)2.证明A在直线l上,并求∠OAB的度数3.动点Q在](/uploads/image/z/4334082-42-2.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E6%8A%9B%E7%89%A9%E7%BA%BFy%3D-%EF%BC%88x-%E2%88%9A3+m%EF%BC%89%26%23178%3B%EF%BC%88m%EF%BC%9C0%EF%BC%89%E7%9A%84%E9%A1%B6%E7%82%B9%E4%B8%BAA%2C%E7%9B%B4%E7%BA%BFl%EF%BC%9Ay%3D%EF%BC%88%E2%88%9A3+%2F3%EF%BC%89x-m%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E7%82%B9%E4%B8%BAB1.%E5%86%99%E5%87%BA%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E5%AF%B9%E7%A7%B0%E8%BD%B4%E5%8F%8A%E9%A1%B6%E7%82%B9A%E7%9A%84%E5%9D%90%E6%A0%87%EF%BC%88%E7%94%A8%E5%90%ABm%E7%9A%84%E4%BB%A3%E6%95%B0%E5%BC%8F%E8%A1%A8%E7%A4%BA%EF%BC%892.%E8%AF%81%E6%98%8EA%E5%9C%A8%E7%9B%B4%E7%BA%BFl%E4%B8%8A%2C%E5%B9%B6%E6%B1%82%E2%88%A0OAB%E7%9A%84%E5%BA%A6%E6%95%B03.%E5%8A%A8%E7%82%B9Q%E5%9C%A8)
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