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Froma point P (alpha,beta) a pair of tangents PQ and PR are drawn to circle x^2+y^2-2x-2y-2=0 such that QR is chord of contact.Considering PQ and PR are adjacent sides a parallelogramPQRS is formed .Equation of chord of contact QRis x =0, S_1 and S_2be the circles circumscribing the triangle PQR and QRS. Co-ordinate of point P(alpha,beta) is equal to

Answer»

(3,2)
(2,3)
(-3,1)
NONE of these

ANSWER :C


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