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Question: Answered & Verified by Expert
Let $\bar{a}$ and $\bar{b}$ be two non-collinear unit vectors. If $\bar{u}=\bar{a}-(\bar{a} \cdot \bar{b}) \bar{b}$ and $\bar{v}=\bar{a} \times \bar{b}$, then $|\bar{v}|=$
MathematicsVector AlgebraAP EAMCETAP EAMCET 2017 (24 Apr Shift 2)
Options:
  • A $|\bar{u}|$
  • B $|\bar{a}|$
  • C $|\bar{b}|$
  • D $|\bar{a}||\bar{b}|$
Solution:
1251 Upvotes Verified Answer
The correct answer is: $|\bar{u}|$
No solution. Refer to answer key.

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