ExamBro
ExamBro
AP EAMCET · Maths · Circle

If \(\mathrm{A}\) and \(\mathrm{B}\) are the points of intersection of the circles \(x^2+y^2-4 x+6 y-3=0\) and \(x^2+y^2+2 x-2 y-2=0\) then the distance between \(\mathrm{A}\) and \(\mathrm{B}\) is

  1. A \(\frac{13}{10}\)
  2. B \(\frac{\sqrt{41}}{3}\)
  3. C \(\frac{\sqrt{231}}{5}\)
  4. D \(\frac{26}{5}\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(\frac{\sqrt{231}}{5}\)

Step-by-step Solution

Detailed explanation

\(\begin{aligned} & \text {} S_1: x^2+y^2-4 x+6 y-3=0.....(i) \\ & S_2: x^2+y^2+2 x-2 y-2=0.....(ii)\end{aligned}\) \[ \begin{aligned} & S_1:(x-2)^2+(y+3)^2=4^2 \\ & S_2:(x+1)^2+(y-1)^2=2^2 \end{aligned} \] Here,…