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Question: Answered & Verified by Expert
A vector of magnitude $\sqrt{51}$ which makes equal angles with the vectors $\bar{a}=\frac{1}{3}(\bar{i}-2 \bar{j}+2 \bar{k})$, $\bar{b}=\frac{1}{5}(-4 \bar{i}-3 \bar{k})$ and $\bar{c}=\bar{j}$, is
MathematicsVector AlgebraAP EAMCETAP EAMCET 2017 (24 Apr Shift 2)
Options:
  • A $5 \bar{i}-\bar{j}+5 \bar{k}$
  • B $-5 \bar{i}+\bar{j}-5 \bar{k}$
  • C $-5 \bar{i}+\bar{j}+5 \bar{k}$
  • D $-\bar{i}-\bar{j}+7 \bar{k}$
Solution:
1194 Upvotes Verified Answer
The correct answer is: $-5 \bar{i}+\bar{j}+5 \bar{k}$
No solution. Refer to answer key.

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