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JEE Main 2024 Mathematics question

MathematicsVector AlgebraJEE Main 2024

Let , and be three vectors such that , , then is equal to:

Answer: (B)

Solution

The condition gives (c + i) × (2a + b + i) = 0, and 2a + b + i = (7, 8, 0), so c = k(7, 8, 0) − i = (7k − 1, 8k,

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Question ID VK-011643