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If two perpendicular tangents can be drawn from the origin to the circle , then the value of  is



Question ID - 153550 | SaraNextGen Top Answer

If two perpendicular tangents can be drawn from the origin to the circle , then the value of  is

1 Answer
127 votes
Answer Key / Explanation : (5) -

(5)

The equation of given circle is

or    (1)

Also (0, 0) line outside the circle

Equation of director circle of  will be

   (2)

Tangents drawn from (0, 0) to circle (i) are perpendicular to each other

 must lie on director circle

127 votes


127