If a circle passes though the point (a, b) and cuts the circle x^ 2 +y^ 2 =4…

Mathematics · JEE Main · NTA Exams — Co-ordinate Geometry

1. \(2 a x+2 b y+\left[a^{2}+b^{2}+4\right]=0\)
2. \(2 a x+2 b y-\left[a^{2}+b^{2}+4\right]=0\)
3. \(2 a x-2 b y+\left[a^{2}+b^{2}+4\right]=0\)
4. \(2 a x-2 b y-\left[a^{2}+b^{2}+4\right]=0\)

Answer

(B) 2 a x+2 b y- [a^ 2 +b^ 2 +4 ]=0

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