The radical centre of the circles ,

MATHEMATICS · Single correct · ICSE · Mathematics · Geometry · Geometry

Problem

The radical centre of the circles x2+y2=1x^2+y^2=1, x2+y2+10y+24=0x^2+y^2+10y+24=0, and x2+y2−8x+15=0x^2+y^2-8x+15=0 is (1) (2,5/2)(2,5/2) (2) (−2,5/2)(-2,5/2) (3) (−2,−5/2)(-2,-5/2) (4) (2,−5/2)(2,-5/2)

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