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TS EAMCET · Maths · Circle

The point where the line \(4 x-3 y+7=0\) touches the circle \(x^2+y^2-6 x+4 y-12=0\) is

  1. A \((1,1)\)
  2. B \((1,-1)\)
  3. C \((-1,1)\)
  4. D \((-1,-1)\)
Verified Solution

Answer & Solution

Correct Answer

(C) \((-1,1)\)

Step-by-step Solution

Detailed explanation

Let \((a, b)\) be the point where line \(4 x-3 y+7=0\) touches the circle \(x^2+y^2-6 x+4 y-12=0\). Now, equation of the tangent at \((a, b)\) to the given circle is…