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If locus of a point, whose chord of contact with respect to the circle  is a tangent to the hyperbola  is  then value of  is



Question ID - 153538 | SaraNextGen Top Answer

If locus of a point, whose chord of contact with respect to the circle  is a tangent to the hyperbola  is  then value of  is

1 Answer
127 votes
Answer Key / Explanation : (4) -

(4)

Let the point be . Then equation of the chord of contact is

Since  is tangent to

 has two equal roots

i.e.,  has equal roots

 locus of  is

i.e.,

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