The line x = y touches a circle at the point (1, 1). If the circle also passes through…

Mathematics · JEE Main · NTA ExamsCo-ordinate Geometry

The line x = y touches a circle at the point (1, 1). If the circle also passes through the point (1, -3), then its radius is:
  1. 3
  2. 2
  3. \(2 \sqrt{2}\)
  4. \(3 \sqrt{2}\)

Answer

(A) 3

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