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JEE Mains Model Paper 8

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Question : 20

Total: 90

Let PQ and RS be tangents at the extremities of the diameter PR of a circle of radius r. If PS and RQintersect at a point X on the circumference of the circle, then 2r equals

√PQ.RS
PQ+RS
2
2PQ.RS
PQ+RS
√PQ2+RS2
2

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