Question:medium

If \((h,k)\) is external centre of similitude of circles \[ x^2+y^2-6x-10y+9=0 \] and \[ x^2+y^2+6x+6y+2=0, \] then \(k-h=\)

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External similitude = external division of centres in ratio of radii.
Updated On: Jun 22, 2026
  • \(-\frac{7}{9}\)
  • -8
  • 52
  • \(\frac{1}{9}\) \bigskip
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The Correct Option is A

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