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JEE Advanced Mathematics question

MathematicsVector AlgebraJEE Advanced

If , and the angle between and is then is equal to

Answer: (B),(C)

Solution

(Missing argument for \vec\vec a×Missing argument for \vec\vec =|Missing argument for \vec\vec a|^2|Missing argument for \vec\vec b|^2Missing argument for \frac\frac6=16·4·Missing argument for \frac\frac14=16 .

- (b) — correct. - (c) $\

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Question ID VK-109704