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`A B C D` are four points in a plane and `Q` is the point of intersection of the lines joining t...

342 views · Published 20 February 2018 · 6:38 · Indexed 20 September 2026

Channel: Doubtnut · 2018 · Education

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This is the Solution of Question From RD SHARMA book of CLASS 12 CHAPTER VECTOR ALGEBRA This Question is also available in R S AGGARWAL book of CLASS 12 You can Find Solution of All Question From RD SHARMA and R S AGGARWAL book from class 6-12 on our app DOUBTNUT for Free



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==== QUESTION TEXT ====

`A B C D` are four points in a plane and `Q` is the point of intersection of the lines joining the mid-points of `A B` and `C D ; B C` and `A Ddot` Show that ` vec P A+ vec P B+ vec P C+ vec P D=4 vec P Q ,` where `P` is any point.

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