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If one of the diameters of the curve x2+y2−4x−6y+9=0 is a chord of a circle with centre (1,1), the radius of this circle is |
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Answer» If one of the diameters of the curve x2+y2−4x−6y+9=0 is a chord of a circle with centre (1,1), the radius of this circle is |
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