在等腰三角形abc中,底边BC=6,以BC的中点O为圆心,做切于两腰的圆,P为圆上一动点,过点P的切线和AB,AC的延长线分别交于D,E点.求若DE与BC不平行,求证BDXCE是定值 (直接看第二个图)
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![在等腰三角形abc中,底边BC=6,以BC的中点O为圆心,做切于两腰的圆,P为圆上一动点,过点P的切线和AB,AC的延长线分别交于D,E点.求若DE与BC不平行,求证BDXCE是定值 (直接看第二个图)](/uploads/image/z/6147760-40-0.jpg?t=%E5%9C%A8%E7%AD%89%E8%85%B0%E4%B8%89%E8%A7%92%E5%BD%A2abc%E4%B8%AD%2C%E5%BA%95%E8%BE%B9BC%3D6%2C%E4%BB%A5BC%E7%9A%84%E4%B8%AD%E7%82%B9O%E4%B8%BA%E5%9C%86%E5%BF%83%2C%E5%81%9A%E5%88%87%E4%BA%8E%E4%B8%A4%E8%85%B0%E7%9A%84%E5%9C%86%2CP%E4%B8%BA%E5%9C%86%E4%B8%8A%E4%B8%80%E5%8A%A8%E7%82%B9%2C%E8%BF%87%E7%82%B9P%E7%9A%84%E5%88%87%E7%BA%BF%E5%92%8CAB%2CAC%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E5%88%86%E5%88%AB%E4%BA%A4%E4%BA%8ED%2CE%E7%82%B9.%E6%B1%82%E8%8B%A5DE%E4%B8%8EBC%E4%B8%8D%E5%B9%B3%E8%A1%8C%2C%E6%B1%82%E8%AF%81BDXCE%E6%98%AF%E5%AE%9A%E5%80%BC+%EF%BC%88%E7%9B%B4%E6%8E%A5%E7%9C%8B%E7%AC%AC%E4%BA%8C%E4%B8%AA%E5%9B%BE%EF%BC%89)
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