20190318001


如图, 在平面直角坐标系xOy中, \odot O的半径为2, 点A\odot O上, 点B, C分别在x轴和y轴上, AB=BC, \tan A=\dfrac{4}{3}, PAC上, 且PA=3PC, 连OP, 求OP的取值范围.

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