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The length of the chord of contact with respect to the point on the director circle of circle x2+y2+2ax−2by+a2−b2=0 is k|b| units. Then the value of k is

Answer» The length of the chord of contact with respect to the point on the director circle of circle x2+y2+2ax2by+a2b2=0 is k|b| units. Then the value of k is


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