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JEE Advanced Mathematics question

MathematicsVector AlgebraJEE Advanced

The unit vector perpendicular to both the vectors and and making an acute angle with the vector is

Answer: (A)

Solution

Missing argument for \vec\vec a×Missing argument for \vec\vec b = = (3+1)Missing argument for \hat\hat i - (3-2)Missing argument for \hat\hat j + (-1-2)Missing argument for \hat\hat k = 4Missing argument for \hat\hat i - Missing argument for \hat\hat j - 3Missing argument for \hat\hat k,

. The unit vectors perpendicular to both are \dfrac{1}{\sqrt{26}}\hat\hat$ j -

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Question ID VK-109645