A straight line through the vertex of a triangle PQR intersects the si – InterviewSolution

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1.	A straight line through the vertex of a triangle PQR intersects the side QR at the point S and the circumcircle of the triangle PQR at the point T. If S is not the centre of the circumcircle, then (i) 1/(PS)+1/(ST)lt2/(sqrt(QSxxSR))(ii) 1/(PS)+1/(ST)gt2/(sqrt(QSxxSR))(iii)1/(PS)+1/(ST)lt4/(QS)1/(PS)+1/(ST)gt4/(QR)
Answer» (i) and (III) (II) and (IV) (i) and (iv) (ii) and (iii) ANSWER :B

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