如图,圆O1和圆O2外切于P,A是圆O1上的一点,AC切圆O2于C,交圆O1于B,AP的延长线交圆O2于D,CP的延长线交圆O1于E,连AE、PB、CD.(1)求证PA^2:PE^2=PD:PB(2)当圆O2的半径为29\3时,AP:PD=9:7,tan角CAD=3\4时,求切线
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![如图,圆O1和圆O2外切于P,A是圆O1上的一点,AC切圆O2于C,交圆O1于B,AP的延长线交圆O2于D,CP的延长线交圆O1于E,连AE、PB、CD.(1)求证PA^2:PE^2=PD:PB(2)当圆O2的半径为29\3时,AP:PD=9:7,tan角CAD=3\4时,求切线](/uploads/image/z/8405255-47-5.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%86O1%E5%92%8C%E5%9C%86O2%E5%A4%96%E5%88%87%E4%BA%8EP%2CA%E6%98%AF%E5%9C%86O1%E4%B8%8A%E7%9A%84%E4%B8%80%E7%82%B9%2CAC%E5%88%87%E5%9C%86O2%E4%BA%8EC%2C%E4%BA%A4%E5%9C%86O1%E4%BA%8EB%2CAP%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%BA%A4%E5%9C%86O2%E4%BA%8ED%2CCP%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E4%BA%A4%E5%9C%86O1%E4%BA%8EE%2C%E8%BF%9EAE%E3%80%81PB%E3%80%81CD.%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%81PA%5E2%3APE%5E2%3DPD%3APB%282%29%E5%BD%93%E5%9C%86O2%E7%9A%84%E5%8D%8A%E5%BE%84%E4%B8%BA29%5C3%E6%97%B6%2CAP%EF%BC%9APD%3D9%EF%BC%9A7%2Ctan%E8%A7%92CAD%3D3%5C4%E6%97%B6%2C%E6%B1%82%E5%88%87%E7%BA%BF)
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