The equation of the common chord of the circles $x^2+y^2+2 x+3 y+1=0$ and $x^2+$ $y^2-5 x-6 y+4=0$ is

The equation of the common chord of the circles $x^2+y^2+2 x+3 y+1=0$ and $x^2+$ $y^2-5 x-6 y+4=0$ is
  1. $3 x-3 y+5=0$
  2. $7 y+9 x-3=0$
  3. $7 x-9 y+3=0$
  4. $7 x+9 y-3=0$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2020 (07 Oct Special)

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