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Question 284 of 379MediumMCQ
Let α⃗=3i^+j^\vec\alpha=3\hat i+\hat j, β⃗=2i^−j^+3k^\vec\beta=2\hat i-\hat j+3\hat k. If β⃗=β⃗1−β⃗2\vec\beta=\vec\beta_1-\vec\beta_2, where β⃗1∥α⃗\vec\beta_1\parallel\vec\alpha, β⃗2⊥α⃗\vec\beta_2\perp\vec\alpha, then β⃗1×β⃗2\vec\beta_1\times\vec\beta_2 is:
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