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Straight Lines and Pair of Straight Lines

Section: Mathematics

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Question : 8

Total: 8

A straight line through the vertex P 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

[JEE Adv 2008 P1]

1
PS
+
1
ST
<
2
√QS×SR
1
PS
+
1
ST
>
2
√QS×SR
1
PS
+
1
ST
<
4
√QR
1
PS
+
1
ST
>
4
√QR

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