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Numerade Educator



Problem 11 Easy Difficulty

If $ u $ is a unit vector, find $ u \cdot v $ and $ u \cdot w $.


$$\mathbf{u} \cdot \mathbf{v}=\frac{1}{2}, \mathbf{u} \cdot \mathbf{w}=-\frac{1}{2}$$


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Video Transcript

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