The length of the tangent drawn from any point on the circle x² + y² + 2gx + 2fy + p = 0…
Mathematics · JEE Advanced · NTA Exams — Co-ordinate Geometry
The length of the tangent drawn from any point on the circle x² + y² + 2gx + 2fy + p = 0 to the circle
x2 + y2 + 2gx + 2fy + q = 0 is :
x2 + y2 + 2gx + 2fy + q = 0 is :
- \(\sqrt{q-p}\)
- \(\sqrt{p-q}\)
- \(\sqrt{q+p}\)
- none of these
Answer
(A) q-p
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