向量与三角形的五心O是平面上一定点,A,B,C是平面上不共线的三个点,动点P满足OP=OA+λ(AB/|AB|+AC/|AC|).λ∈[0,+∞)问 P点一定过三角形的什么心.O是平面上一定点,A,B,C是平面上不共线的三个点,
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![向量与三角形的五心O是平面上一定点,A,B,C是平面上不共线的三个点,动点P满足OP=OA+λ(AB/|AB|+AC/|AC|).λ∈[0,+∞)问 P点一定过三角形的什么心.O是平面上一定点,A,B,C是平面上不共线的三个点,](/uploads/image/z/1581188-68-8.jpg?t=%E5%90%91%E9%87%8F%E4%B8%8E%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E4%BA%94%E5%BF%83O%E6%98%AF%E5%B9%B3%E9%9D%A2%E4%B8%8A%E4%B8%80%E5%AE%9A%E7%82%B9%2CA%2CB%2CC%E6%98%AF%E5%B9%B3%E9%9D%A2%E4%B8%8A%E4%B8%8D%E5%85%B1%E7%BA%BF%E7%9A%84%E4%B8%89%E4%B8%AA%E7%82%B9%2C%E5%8A%A8%E7%82%B9P%E6%BB%A1%E8%B6%B3OP%3DOA%2B%CE%BB%EF%BC%88AB%2F%7CAB%7C%2BAC%2F%7CAC%7C%EF%BC%89.%CE%BB%E2%88%88%5B0%2C%2B%E2%88%9E%EF%BC%89%E9%97%AE+P%E7%82%B9%E4%B8%80%E5%AE%9A%E8%BF%87%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E4%BB%80%E4%B9%88%E5%BF%83.O%E6%98%AF%E5%B9%B3%E9%9D%A2%E4%B8%8A%E4%B8%80%E5%AE%9A%E7%82%B9%2CA%2CB%2CC%E6%98%AF%E5%B9%B3%E9%9D%A2%E4%B8%8A%E4%B8%8D%E5%85%B1%E7%BA%BF%E7%9A%84%E4%B8%89%E4%B8%AA%E7%82%B9%2C)
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