The equation of common tangent to the curves y^ 2 =16 x and x y=-4 , is:

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

1. \(x-y+4=0\)
2. \(x+y+4=0\)
3. \(x-2 y+16=0\)
4. \(z x-y+z=0\)

Answer

(A) x-y+4=0

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