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If the circle x2+y2−4x−8y+16=0 rolls up (away from x−axis) along the tangent to it at (2+√3,3) by 2 units and its equation in the new position is x2+y2+2ax+2by+c=0, then the value of a2+8b+c is equal to

Answer» If the circle x2+y24x8y+16=0 rolls up (away from xaxis) along the tangent to it at (2+3,3) by 2 units and its equation in the new position is x2+y2+2ax+2by+c=0, then the value of a2+8b+c is equal to


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