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If the circle x2+y2−6x−2y+9=0 is completely contained in the circle x2+y2−2x−5y+k=0, then the minimum integral value of |k| is

Answer» If the circle x2+y26x2y+9=0 is completely contained in the circle x2+y22x5y+k=0, then the minimum integral value of |k| is


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