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Question 150 of 379MediumMCQ
Let u⃗=i^−j^−2k^\vec u=\hat i-\hat j-2\hat k, v⃗=2i^+j^−k^\vec v=2\hat i+\hat j-\hat k, v⃗⋅w⃗=2\vec v\cdot\vec w=2, and v⃗×w⃗=u⃗+λv⃗\vec v\times\vec w=\vec u+\lambda\vec v. Then u⃗⋅w⃗\vec u\cdot\vec w is:
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