7 9 B E C are the mid points of the sides AP PQ QA of AAPQ If a b c are the position vectors of the points A B C prove that the

Question

7 9 B E C are the mid points of the sides AP PQ QA of AAPQ If a b c are the position vectors of the points A B C prove that the position vectors of P Q R are 2b a 2c a b c a respectively B

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