Let O be the origin and let PQR be an arbitrary triangle. The point S is such that OP OQ + OR OS = OR OP + OQ OS = OQ OR + OP OS Then the triangle PQR has S as its

JEE Advanced 2017 Mathematics question

Let be the origin and let be an arbitrary triangle. The point is such that

·+·=·+·=·+·

Then the triangle has as its

Answer: (D)

Write for the position vectors. The first equality: $ p· q+ r· s- r· p- q· s=0⇒( p-

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Question ID VK-026683