For a triangle ABC, let p = BC , q = CA and r = BA . If | p | = 2 3 , | q | = 2 and = 1 3 , where is the...

Question

For a triangle ABC, let p = BC , q = CA and r = BA . If | p | = 2 3 , | q | = 2 and = 1 3 , where is the angle between p and q , then | p ( q - 3 r )|^2 + 3| r |^2 is equal to:

Accepted Answer

(4)

JEE Main 2026 Mathematics question

Solution

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