If |a| = 5, |b| = 4, |c| = 3 thus what will be the value of |a b + b c + c a|, given that a + b + c = 0

JEE Main 2002 Mathematics question

If , , thus what will be the value of , given that

Answer: (1)

\vec\vec\vec\vec\vec\vec\vec\vec\vec\vec\vec\vec$ a) = 0 ⇒ 25 +

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Question ID VK-038051