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Question: Answered & Verified by Expert
Let $\bar{a}=2 \bar{i}+\bar{j}-\bar{k}$ and $\bar{b}=\bar{i}+3 \bar{k}$.
If $\bar{c}$ is a unit vector, then the maximum value of $\left[\begin{array}{lll}\bar{a} & \bar{b} & \bar{c}\end{array}\right]$ is
MathematicsVector AlgebraAP EAMCETAP EAMCET 2017 (24 Apr Shift 1)
Options:
  • A $\sqrt{39}$
  • B $\sqrt{49}$
  • C $\sqrt{69}$
  • D $\sqrt{59}$
Solution:
2204 Upvotes Verified Answer
The correct answer is: $\sqrt{59}$
No solution. Refer to answer key.

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