已知双曲线x^2-y^2/3=1的左,右焦点分别为F1,F2,过F1作倾斜角为π/6的弦AB,求(1)AB的长(2)△F2AB的周长急.
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![已知双曲线x^2-y^2/3=1的左,右焦点分别为F1,F2,过F1作倾斜角为π/6的弦AB,求(1)AB的长(2)△F2AB的周长急.](/uploads/image/z/2587667-59-7.jpg?t=%E5%B7%B2%E7%9F%A5%E5%8F%8C%E6%9B%B2%E7%BA%BFx%5E2-y%5E2%2F3%3D1%E7%9A%84%E5%B7%A6%2C%E5%8F%B3%E7%84%A6%E7%82%B9%E5%88%86%E5%88%AB%E4%B8%BAF1%2CF2%2C%E8%BF%87F1%E4%BD%9C%E5%80%BE%E6%96%9C%E8%A7%92%E4%B8%BA%CF%80%2F6%E7%9A%84%E5%BC%A6AB%2C%E6%B1%82%EF%BC%881%EF%BC%89AB%E7%9A%84%E9%95%BF%EF%BC%882%EF%BC%89%E2%96%B3F2AB%E7%9A%84%E5%91%A8%E9%95%BF%E6%80%A5.)
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