The radius of the circle whose diameter is the common chord of the circles $x^2+y^2+2 x+2 y+1=0$ and…

The radius of the circle whose diameter is the common chord of the circles $x^2+y^2+2 x+2 y+1=0$ and $x^2+y^2+4 x+3 y+2=0$ is
  1. $\frac{2}{\sqrt{5}}$
  2. $\frac{1}{\sqrt{5}}$
  3. 1
  4. $\frac{\sqrt{17}}{2}$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2018 (24 Apr Shift 2)

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